indeclinable

[in-di-klahy-nuh-buhl]

adjective

Grammar.

1. not capable of being declined; having no inflected forms: used especially of a word belonging to a form class most of whose members are declined, as the Latin adjective decem, “ten.”

indeclinable

/ ˌɪndɪˈklaɪnəbəl /

adjective

1. (of a noun or pronoun) having only one form; not declined for case or number

Other Word Forms

• indeclinableness noun
• indeclinably adverb

Word History and Origins

Origin of indeclinable¹

1400–50; late Middle English < Latin indēclīnābilis unchangeable, inflexible. See in- ³, declinable