English dictionary
indeclinable
/,/I/nd/I/'kl/aI/n/@/b/@/l/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
-
Not declinable; not varied by inflective terminations; as, <i>nihil</i> (nothing), in Latin, is an <i>indeclinable</i> noun.
Source: webster1913