German adjectives

German adjectives come before the noun, as in English, and are usually not capitalized. However, as in French and other Indo-European languages, they are inflected when they come before a noun. That is, they take an ending that depends on the gender, case, and number of the noun phrase.

Adjective inflection

German adjectives take different sets of endings in different circumstances. Essentially, the adjectives must provide case, gender and number information if the articles do not.
This table lists the various endings, in order masculine, feminine, neuter, plural, for the different inflection cases. For example, "X e X e" denotes "ein, eine, ein, eine"; and "m r m n" denotes "gutem, guter, gutem, guten".

	Nominative	Accusative	Dative	Genitive
Strong inflection endings No article, or following quantity	r e s e	n e s e	m r m n	n r n r
Mixed inflection endings Following indefinite article or possessive determiner	r e s n	n e s n	n n n n	n n n n
Weak inflection endings Following definite article	e e e n	n e e n	n n n n	n n n n
Indefinite article / possessive determiner endings E.g. ein-, kein-, mein-, dein-, ihr-, etc.	X e X e	n e X e	m r m n	s r s r
Definite article E.g. der, das, die, den, etc.	r e s e	n e s e	m r m n	s r s r

Here are some examples:

Strong inflection, since no article:
Mixed inflected, since following indefinite article:
Weak inflection, since following definite article:
No inflection, since not preceding a noun:
Strong inflection

The strong inflection is used when there is no article at all, or if the noun is preceded by a non-inflectable word or phrase such as ein bisschen, etwas or viel. It is also used when the adjective is preceded merely by another regular adjective. More specifically, strong inflection is used:

When no article is used
When a quantity is indicated by
* etwas, mehr
* wenig-, viel-, mehrer-, einig-
* a number, without a definite article before it
* non-inflectable phrases: ein paar , ein bisschen

The adjective endings are similar to the definite article endings, apart from the adjectival ending "-en" in the masculine and neuter genitive singular.

	Masculine	Feminine	Neuter	Plural
Nominative	neuer	neue	neues	neue
Accusative	neuen	neue	neues	neue
Dative	neuem	neuer	neuem	neuen
Genitive	neuen	neuer	neuen	neuer

Mixed inflection

The mixed inflection is used when the adjective is preceded by an indefinite article or a possessive determiner.
Note: The prevailing view is that the mixed inflection is not a true inflection in its own right, but merely the weak inflection with a few additions to compensate for the lack of the masculine nominative and neuter nominative and accusative endings.
Mixed inflection is used after:

indefinite article ein-, kein-, eine, keine
possessive determiners "mein-", "dein-", "sein-", "ihr-" etc.

Nominative and accusative singular endings are the same as in the strong inflection; all other forms end with "-en".

	Masculine	Feminine	Neuter	Plural
Nominative	ein neuer	eine' neue	ein neues	meine neuen
Accusative	einen neuen	eine neue	ein neues	meine neuen
Dative	einem neuen	einer neuen	einem neuen	meinen neuen
Genitive	eines neuen	einer neuen	eines neuen	meiner neu'en

Weak inflection

The weak inflection is used when there is a definite word in place. The definite word has provided most of the necessary information, so the adjective endings are simpler.
The endings are applicable to every degree of comparison.
Weak inflection is used after:

definite article
derselb-, derjenig-
dies-, jen-, jeglich-, jed-, which decline similarly to the definite article
manch-, solch-, welch-, which decline similarly to the definite article
alle
beide

Five endings in the nominative and accusative cases end with -e, all others with -en.

	Masculine	Feminine	Neuter	Plural
Nominative	der neue	die neue	das neue	die neuen
Accusative	den neuen	die neue	das neue	die neuen
Dative	dem neuen	der neuen	dem neuen	den neuen
Genitive	des neuen	der neuen	des neuen	der neuen

No inflection

Several quantifying words are not inflected:

nichts, wenig, etwas, viel, and genug

"wenig" and "viel" can be put in the plural, where they take endings as normal: ''viele/wenige Kinder''

Adjective comparison

Positive form

The basic form of the adjective is the positive form: the adjective stem with the appropriate ending.

Comparative form

The basic comparative form consists of the stem and the suffix -er. Inflected, the corresponding adjective ending is attached.

Superlative form

A predicate form of the superlative is actually a prepositional phrase. One attaches the suffixes -st and the adjective ending -en to the root, and the word am is put before it.
The attributive superlative form adds the "st" to the comparative root and then the conventional adjective ending.
This form can also be placed in a predicate position with the appropriate adjective ending: