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Word of the Day Tuesday, June 9, 2026

indeclinable

/ɪndɪˈklɪnəbəl/ adjective · British & US
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What does indeclinable mean?

adjective

Not subject to inflection or declension; not changing form to indicate grammatical function or case. Used especially of words in certain languages, such as Arabic and Turkish, that do not change form to indicate grammatical function.

Example

"The Arabic word 'kitaab' is an indeclinable noun, meaning 'book', and does not change form regardless of its grammatical function."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for indeclinable

Antonyms of indeclinable

Rhymes with indeclinable

Etymologically related