indecinable Meaning, Definition & Usage

In`de*cin"a*ble adjective
Etymology
L. indeclinabilis: cf. F. indéclinable. See In- not, and Decline.
Definitions
  1. (Gram.) Not declinable; not varied by inflective terminations; as, nihil (nothing), in Latin, is an indeclinable noun. -- n. An indeclinable word.

Webster 1913