Third declension adjectives are divided into three groups depending on how many distinct forms they have for the nominative singular: - Adjectives of three terminations - these have three distinct forms for the masculine, feminine and neuter, respectively. The stem of such an adjective is obtained by removing the ending from the feminine nominative singular. The endings for their nominative singular are the following:
Singular
Masculine
Feminine
Neuter
Nominative
-er
-is
-e
- Adjectives of two terminations - these have one form for the masculine and feminine and one for the neuter. The stem of such an adjective is obtained by removing the ending from the feminine nominative singular. The endings for their nominative singular are the following:
Singular
Masculine
Feminine
Neuter
Nominative
-is
-is
-e
??? example "Example: Adjectives of Two Terminations"
levis, e -> stem lev-
Singular
Plural
Masculine
Feminine
Neuter
Masculine
Feminine
Neuter
Nominative
levis
leve
levēs
levia
Genitive
levis
levium
Dative
levī
levibus
Accusative
levem
leve
levīs, levēs
levia
Ablative
levī
levibus
Vocative
levis
leve
levēs
levia
- Adjectives of one termination - these have only one form for both the masculine, feminine and neuter. Their stem is obtained by removing the ending "-is" from the genitive singular. There are no particular endings for their nominative singular, though. ??? example "Example: Adjectives of One Termination"