Adjectives, Comparison & Participles as Adjectives

German builds comparisons very differently from English: almost every adjective takes -er/-(e)sten directly, rather than switching to a separate word like "more/most." This guide collects the full comparison system — basic comparative/superlative formation, the spelling rules that govern it, the fixed comparison expressions im Gegensatz zu / im Vergleich zu and their tense rule, the irregular viel → mehr → am meisten, and the use of Partizip I ("-ing") and Partizip II ("-ed") as attributive adjectives.

Comparative & Superlative Formation

The three degrees (Positiv / Komparativ / Superlativ)

Just like English fast – faster – fastest, German has three degrees of an adjective:

Form	German pattern	Example
Positiv (basic)	dictionary form	schnell, gut
Komparativ	+ -er	schneller
Superlativ	+ am + -(e)sten	am schnellsten

Umlaut rule

If the adjective is monosyllabic (one syllable) and contains a, o, or u, add an umlaut in both the comparative and the superlative:

• groß → größer → am größten
• kalt → kälter → am kältesten
• jung → jünger → am jüngsten

Multi-syllable adjectives (e.g. interessant) do not take an umlaut. This is not a 100% rule — there are exceptions, so umlaut forms still need to be memorized per adjective.

-sten vs. -esten spelling rule

Add the extra -e- (-esten instead of -sten) when the adjective ends in d, t, s, ss/ß, x, or z — this avoids an awkward consonant cluster that would be hard to pronounce:

• kurz → kürzer → am kürzesten (not kürzsten)
• groß → größer → am größten (already ends in ß-driven cluster, hence the -ten spelling)

The same letter set (s, ss, x, z) that triggers this rule also drives the genitive apostrophe rule for names (e.g. Max'), and the same logic governs why flexibel → flexibler drops the -e- before -l (see the next section), and why teuer → teurer drops the middle -e- — all are pronunciation-driven spelling adjustments layered on top of the basic -er/-(e)sten rule.

Spelling rule: adjectives ending in -el or -er

When forming the comparative of an adjective that already ends in -el, drop the e before the l:

• flexibel → flexibler (not flexibeler) → more flexible

Some adjectives ending in -er also drop their own middle e in the comparative for the same pronunciation reason:

• teuer → teurer (not teuerer) → more expensive

Superlative needs am + -en, never English-style "the"

The German superlative predicate form always uses am + adjective + -sten/-esten — never a literal "the" article in this construction:

• Sie ist am jüngsten. → She is the youngest.
• Er ist am schnellsten. → He is the fastest.

(Attributive superlatives with a following noun, e.g. die schnellste Frau, use the normal adjective endings instead of am — that pattern is covered together with general adjective-ending rules.)

Comparisons with als ("than")

Use adjective + -er + als to compare two unequal things — never literally translate English "more

• adjective" as mehr + adjective.

• ✅ Stefan ist intelligenter als Paul. → Stefan is more intelligent than Paul.
• ✅ Sie ist schöner als sie. → She is more beautiful than her.
• ✅ Mein Laptop funktioniert schneller als mein Computer. → My laptop works faster than my computer.
• ✅ Das Sofa ist bequemer als der Stuhl. → The sofa is more comfortable than the chair.
• ❌ Stefan ist mehr intelligent als Paul. — wrong, a literal English translation.

In English, some adjectives can't take "-er" and must use "more" (intelligent, beautiful); in German almost all adjectives (~99%) take -er directly — don't import the English exception into German.

Case agreement: both sides of an als comparison must be in the same case (usually both nominative, but it can be both accusative depending on the verb governing the sentence) — never mix nominative on one side with accusative on the other.

• Ich finde ihn besser als sie [Akk.]. → Akkusativ–Akkusativ comparison (governed by finden).
• Paola singt besser als ich. → Nominativ–Nominativ comparison.

Equal comparisons: so...wie / genauso...wie

When two things are equal, use the positive (base) form of the adjective with so...wie or genauso...wie — never the comparative.

• Ich schreibe so schnell wie meine Mutter. → I write as fast as my mother. (not schneller)
• Mein Smartphone ist mir genauso wichtig wie mein Laptop. → My smartphone is as important to me as my laptop.
• Ich schreibe nicht so schnell wie meine Mutter. → I don't write as fast as my mother. (negated with nicht so...wie)

im Gegensatz zu / im Vergleich zu

These two near-synonymous expressions ("in contrast to" / "compared to") are used to compare "today" with "earlier" — and each comes with a strict tense rule tied to which reference point they name.

• im Gegensatz zu früher / im Vergleich zu früher ("in contrast to / compared to earlier") — when comparing to earlier, the rest of the sentence is in the present tense, because "earlier" is the comparison point and "now" (the implied present) is what's being described.
• im Gegensatz zu heute ("in contrast to today") — when comparing to today, the rest of the sentence is in the past tense, because "today" is the reference point and the thing being described is the past.

Examples:

• Im Gegensatz zu heute war die Arbeit in den Fabriken härter. → In contrast to today, work in the factories used to be harder. (past tense — comparison point is "today")
• Im Vergleich zu früher arbeiten die Menschen heute klüger. → Compared to earlier, people work smarter today. (present tense — comparison point is "earlier")
• Im Gegensatz zu früher ist alle Arbeit automatisiert. → In contrast to earlier, all work is automated now.

Rule of thumb: decide the reference point first (earlier vs. today), then pick the tense: im Vergleich/Gegensatz zu früher → present tense; im Gegensatz zu heute → past tense. Thinking the sentence through in English first, then applying this rule, helps avoid tense mistakes.

Word order: both phrases start the sentence, so the conjugated verb must come immediately after them (verb-second rule) — e.g. Im Gegensatz zu früher ist alle Arbeit automatisiert.

No comma: unlike English ("In contrast to today, ..."), German does not put a comma after the introductory phrase — it is one continuous sentence.

Clarity tip: when comparing, it helps to explicitly add heute or früher in the main clause so the comparison's reference point is unambiguous, e.g. Im Gegensatz zu früher haben wir heute mehr Bücher. → In contrast to earlier, we have more books today.

Irregular Comparatives

viel → mehr → am meisten

viel ("much") has an irregular comparative/superlative, just like English "much → more → most":

Positiv	Komparativ	Superlativ
viel	mehr	am meisten
gut	besser	am besten

• Ich brauche mehr Zeit, als ich dachte. → I need more time than I thought.
• viel is used with uncountable nouns (time, money — things you can't count piece by piece), which is why its comparative/superlative is mehr / am meisten rather than a regular -er form.

mehr is invariable: unlike normal adjectives, mehr never takes an adjective ending, even directly before a noun — e.g. mehr Autos (never mehreren Autos in this sense). It belongs to a small, fixed group of adjectives that never decline (along with prima, rosa, lila), because an ending would sound wrong attached to these particular words.

Why "mehr modern" is wrong

A very common learner mistake is reaching for mehr + adjective by analogy with English "more beautiful, more modern." German does not build comparatives this way (except for the genuinely irregular viel → mehr, which is a special case, not the general pattern).

• ❌ mehr modern
• ✅ moderner → more modern

The comparative is formed by adding -er directly to the adjective — exactly the same rule already used for schön → schöner and intelligent → intelligenter. German never says mehr schön or mehr intelligent. Reserve mehr strictly for its role as the irregular comparative of viel, or as the invariable quantifier before a noun (mehr Bücher, mehr Zeit) — never as a general-purpose "more" stuck in front of an adjective to form a comparative.

je...desto / je...umso ("the more... the more")

A related comparative construction worth knowing alongside the irregular forms above, since it requires the comparative form on both sides: je introduces a subordinate clause (verb to the end), desto (or its synonym umso) introduces the main clause (verb in second position).

• Je schneller ich fahre, desto früher erreiche ich. → The faster I drive, the earlier I arrive.
• Je mehr Autos ich für meine Familie kaufe, desto mehr Geld muss ich ausgeben. → The more cars I buy for my family, the more money I have to spend.
• Je schwierigere Aufgaben die Studenten bekommen, desto mehr Zeit brauchen sie. → The more difficult tasks the students get, the more time they need. (here the comparative schwieriger stands directly before a noun with no article, so it takes the adjective ending -e; mehr, by contrast, never takes an ending in the same slot.)

This construction is flagged as a strong closing device for the Schreiben exam, precisely because it forces correct comparative use on both halves of the sentence.

Partizip I as Adjective

Partizip I (present participle, roughly English "-ing") is formed as infinitive stem + -end:

• arbeiten → arbeitend
• warten → wartend

Used attributively before a noun, it describes an ongoing, active state — something currently doing the action — and takes the normal adjective ending for the noun's gender/case/article situation, exactly like any other adjective.

• Die seit zwei Uhr morgens arbeitenden Angestellten... → The employees working since two o'clock in the morning... (ongoing action → Partizip I arbeitend + plural ending -en)
• Die Bäckerei ist bekannt für ihre wartenden Kunden vor der Tür. → The bakery is known for its waiting customers in front of it. (customers in the act of waiting → Partizip I wartend + ending)

Mental check: if the English adjective would be an "-ing" word describing something actively doing the action (not having it done to it), reach for Partizip I.

Partizip II as Adjective

Partizip II (past participle, roughly English "-ed") is the normal past participle of the verb (e.g. backen → gebacken, bestellen → bestellt, stehlen → gestohlen). Used attributively before a noun, it describes a passive, completed/resultant state — something that has had the action done to it — and takes the normal adjective ending for the noun's gender/case/article situation. Nothing else changes: take the participle, add the ending the noun's situation requires.

• Sie können leider kein Geld vom überzogenen Konto abheben. → Unfortunately you cannot withdraw money from the overdrawn account. (überzogen, from überziehen, "to overdraw" → dative ending -en)
• Wir werden zuerst Ihre gestohlene Karte sperren. → We will first block your stolen card. (gestohlen, from stehlen, "to steal" → feminine accusative ending -e)
• Leider habe ich die bestellten Waren noch nicht erhalten. → Unfortunately I have not yet received the ordered goods. (bestellt + plural ending -en)
• Senden Sie mir bitte einen Beleg über die bezahlten Rechnungen. → Please send me a receipt for the paid invoices. (bezahlt + plural ending -en)
• Ja, das ist schon das reparierte Gerät, aber es funktioniert immer noch nicht. → Yes, this is already the repaired device, but it still doesn't work. (repariert + neuter nominative ending -e)
• Am Morgen werden die gebackenen Brote und Brötchen in den Verkaufsraum gebracht. → In the morning the baked breads and rolls are brought to the sales room. (gebacken, the irregular participle of backen — not a regularly-formed alternative — + plural ending -en)
• Alle verwendeten Zutaten sind regional. → All the used ingredients are regional. (verwendet + plural ending -en — passive/completed sense: ingredients that have been used, contrasted with a wrong Partizip I "using ingredients" reading)

Mental check: translate to English "-ed" (completed/passive → Partizip II) vs. "-ing" (ongoing/active → Partizip I), then layer the adjective ending on top of whichever participle fits.

Two refinements

• Fused adverb + participle units take no extra ending on the adverb. In ...die frisch gebackenen Kuchen... ("...the freshly baked cakes..."), frisch ("freshly") carries no adjective ending of its own — it fuses with the participle into one descriptive unit (frisch gebacken), and only the participle itself (gebackenen) takes the adjective ending.
• A definite article governs the whole adjective+noun phrase, not just the noun directly. In a phrase like der frisch zubereitete [Imbiss], the article der is not "skipped" past the adjective — it governs the entire [article] + [adjective/participle] + [noun] phrase, so the normal bestimmter Artikel adjective-ending pattern applies across the whole thing.

Source Videos

• video-01-notes.md — Core comparative/superlative formation: the three degrees, the umlaut rule, the -esten spelling rule, am + -sten for the superlative predicate, als-comparisons (including case agreement), and so...wie / genauso...wie equal comparisons.
• video-12-notes.md — im Gegensatz zu / im Vergleich zu früher/heute and their tense rule, word order and no-comma rule, plus why "mehr modern" is wrong (comparatives need -er, not mehr).
• video-31-notes.md — Quick recap of the irregular viel → mehr → am meisten comparative and als for comparisons.
• video-46-notes.md — Partizip II as an attributive adjective (banking/customer-service examples), plus the je...desto/umso construction and the invariable-adjective status of mehr.
• video-47-notes.md — The -el/-er comparative spelling rule (flexibel → flexibler, teuer → teurer), and Partizip I vs. Partizip II as adjectives in detail (bakery text), including the fused-adverb and definite-article edge cases.