1. Commanding; imperative; authoritative.
2. Of or pertaining to the title or office of imperator. "Imperatorial laurels." C. Merivale.
IMPERATORIAN
Im*per`a*to"ri*an, a.
Defn: Imperial. [R.] Gauden.
IMPERATORY
Im*per"a*to*ry, a.
Defn: Imperative. [R.]
IMPERCEIVABLE
Im`per*ceiv"a*ble, a.
Defn: Imperceptible. [R.] South.
— Im`per*ceiv"a*ble*ness, n. Sharp.
IMPERCEIVED
Im`per*ceived", a.
Defn: Not perceived. [Obs.]