1. Not expressive; not having the power of utterance; inexpressive.
2. Incapable of being expressed; inexpressible; unutterable; ineffable. [Obs.] Run, run, Orlando; carve on every tree The fair, the chaste and unexpressive she. Shak. — Un`ex*press"ive*ly, adv.
UNEXTINGUISHABLE
Un`ex*tin"guish*a*ble, a.
Defn: Inextinguishable.
— Un`ex*tin"guish*a*bly, adv.
UNEXTRICABLE
Un*ex"tri*ca*ble, a.
Defn: Not extricable; inextricable. [Obs.] Dr. H. More.
UNFACE
Un*face", v. t. Etym: [1st pref. un- + face.]
Defn: To remove the face or cover from; to unmask; to expose.
UNFAILABLE
Un*fail"a*ble, a.
Defn: Infallible. [Obs.] "This unfailable word of truth." Bp. Hall.