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

adjective Grammar.

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.”

Origin of indeclinable

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

OTHER WORDS FROM indeclinable

in·de·clin·a·ble·ness, nounin·de·clin·a·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for indeclinable

  • The indeclinable, remain as simple adjuncts to the verbs, and the latter put on the negative form.

    The Indian in his Wigwam|Henry R. Schoolcraft
  • Mīlle is regularly an adjective in the Singular, and indeclinable.

    New Latin Grammar|Charles E. Bennett
  • Of these, the first five are declinable; the other four are indeclinable.

    Elements of Gaelic Grammar|Alexander Stewart
  • The genitives his (his, its), hiere (her), hiera (their) are used as indeclinable possessives.

    Anglo-Saxon Primer|Henry Sweet

British Dictionary definitions for indeclinable

/ (ˌɪndɪˈklaɪnəbəl) /


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

Derived forms of indeclinable

indeclinableness, nounindeclinably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012