indeclinable
Pronunciation: /ˌɪndɪˈklʌɪnəb(ə)l/
Definition of indeclinable
adjective
GrammarOrigin:
late Middle English: via French from Latin indeclinabilis, from in- 'not' + declinabilis 'able to be inflected' (see decline)
late Middle English: via French from Latin indeclinabilis, from in- 'not' + declinabilis 'able to be inflected' (see decline)