declension
1. [ noun ] (grammar) a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
Examples:

"the first declension in Latin"

Related terms: set class decline
2. [ noun ] (grammar) the inflection of nouns and pronouns and adjectives in Indo-European languages
Related terms: inflection noun decline
3. [ noun ] (geography) a downward slope
Synonyms: fall declivity decline downslope declination descent
Related terms: ascent slope downhill steep decline fall
4. [ noun ] process of changing to an inferior state
Synonyms: decline_in_quality worsening deterioration
Related terms: decline slump worsen deteriorate
5. [ noun ] a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
Examples:

: "the first declension in Latin"

Related terms: class
Similar spelling:   declination
  declining
  declamation