in·hib·i·to·ry \-bəˌtōrē, -tȯr-, -ri\adjective Etymology: Medieval Latin inhibitorius, from Latin inhibitus (past participle of inhibēre to inhibit) + -orius -ory — more at inhibit : of, relating to, or producing inhibition : tending or serving to inhibit : prohibitory < inhibitory nervous action > < the inhibitory action of fluorides — Americana Annual >