Definition of "imparisyllabic" in English

adjective

1. Not having the same number of syllables in all its inflections (especially of Greek or Latin nouns); for example, the Latin word pars, which has the genitive form partis.

noun

1. An imparisyllabic noun.

   • An adjectival type corresponding phonetically to the masculine third declension imparisyllabics is represented by some O.F. survivals of Latin comparative forms