Inirritable
Pronunciation : In*ir"ri*ta*ble
Part of Speech : a.
Etymology : [Pref. in- not + irritable: cf. F. inirritable.]
Definition : Defn: Not irritable; esp. (Physiol.), incapable of being stimulated to action, as a muscle. -- In*ir`ri*ta*bil"i*ty, n.
Source : Webster's Unabridged Dictionary, 1913