Indeclinable

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A word that is not grammatically inflected.
Adjective
  1. 1
    That one cannot decline; unavoidable. not-comparable

    "He'd planned to work a double shift Friday night, but Gladys Silverman's indeclinable invitation threw a hefty wrench into David's plans."

  2. 2
    Not grammatically declinable; of a word, having no inflections. not-comparable

Synonyms

All synonyms
undeclinableundeclinable

Example

More examples

"He'd planned to work a double shift Friday night, but Gladys Silverman's indeclinable invitation threw a hefty wrench into David's plans."

Etymology

From French indéclinable, from Middle French, from Latin indeclinabilis. Equivalent to in- + declinable.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.