say it: duh-KLEN-shuhn
declension is a noun meaning "the inflection of nouns and pronouns and adjectives in Indo-European languages". It carries 4 recorded senses.
the inflection of nouns and pronouns and adjectives in Indo-European languages
process of changing to an inferior state
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for declension come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.