indeclinable

American  

[in-di-klahy-nuh-buhl] / ˌɪn dɪˈklaɪ nə bəl /

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.”

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indeclinable British  

/ ˌɪndɪˈklaɪnəbəl /

adjective

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

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Other Word Forms

• indeclinableness noun
• indeclinably adverb

Etymology

Origin of indeclinable

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

Example Sentences

“I have the experience of resistance and I have the experience of making indeclinable decisions.”

From Seattle Times • Jan. 13, 2023

The ordinary relative pron. is the indeclinable er, often preceded by sā: sā er = he who, who, sū er who fem.

From Icelandic Primer with Grammar, Notes and Glossary by Sweet, Henry

Again: English adjectives, as such, are all indeclinable.

From The Grammar of English Grammars by Brown, Goold

Mīlle is regularly an adjective in the Singular, and indeclinable.

From New Latin Grammar by Bennett, Charles E. (Charles Edwin)

Arsa said, quoth, indeclinable; used only in the Pret.

From Elements of Gaelic Grammar by Stewart, Alexander