UNIMITABLE
Un*im"i*ta*ble, a.
Defn: Inimitable. [Obs.]
UNIMPAIRABLE
Un`im*pair"a*ble, a.
Defn: That can not be impaired. Hakewill.
UNIMPEACHABLE
Un`im*peach"a*ble, a.
Defn: Not impeachable; not to be called in question; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless; as, an unimpeachable reputation; unimpeachable testimony. Burke. — Un`im*peach"a*ble*ness, n. — Un`im*peach"a*bly, adv.
UNIMPLICATE
Un*im"pli*cate, a.
Defn: Not implicated. "Unimplicate in folly." R. Browning.
UNIMPORTANCE
Un`im*por"tance, n.
Defn: Want of importance; triviality. Johnson.