noun the inflection of nouns and pronouns and adjectives in Indo-European languages.
noun process of changing to an inferior state.
— synonyms: deterioration, decline_in_quality, worsening
noun a downward slope or bend.
— synonyms: descent, declivity, fall, decline, declination, downslope
noun a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms.
Examples
“In Latin, 'amicus' belongs to the second declension. Most second-declension nouns end in '-i' in the genitive singular and '-um' in the accusative singular.”