in·​de·​clin·​able ˌin-di-ˈklī-nə-bəl How to pronounce indeclinable (audio)
: having no grammatical inflections

Word History


Middle English, from Late Latin indeclinabilis, from Latin in- + Late Latin declinabilis capable of being inflected, from Latin declinare to inflect — more at decline entry 1

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of indeclinable was in the 14th century

Dictionary Entries Near indeclinable

Cite this Entry

“Indeclinable.” Dictionary, Merriam-Webster, Accessed 30 Mar. 2023.

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