- declension - the inflection of nouns and pronouns and adjectives in Indo-European languages
--1 is a kind of inflection, inflexion
--1 has member: nounDerived form: verb decline7 - deterioration, decline in quality, declension, worsening - process of changing to an inferior state
--2 is a kind of decline, diminution
--2 has particulars: slump, slack, drop-off, falloff, falling offDerived form: verb decline1 - descent, declivity, fall, decline, declination, declension, downslope - a downward slope or bend
--3 is a kind of slope, incline, side
--3 has particulars: downhill; steepDerived form: verb decline5 - declension - a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms; "the first declension in Latin"
--4 is a kind of class, category, family
Derived form: verb decline7