Defn: To remove or loose the bearing rein of (a horse).

UNBEAT
Un*beat", v. t. Etym: [1st pref. un- + beast.]

Defn: To deliver from the form or nature of a beast.

UNBECOME
Un`be*come", v. t. Etym: [1st pref. un- + become.]

Defn: To misbecome. [Obs.] Bp. Sherlock.

UNBECOMING
Un`be*com"ing, a. Etym: [Pref. un- not + becoming.]

Defn: Not becoming; unsuitable; unfit; indecorous; improper.
My grief lets unbecoming speeches fall. Dryden.
— Un`be*com"ing*ly, adv.
— Un`be*com"ing*ness, n.

UNBED
Un*bed", v. t. Etym: [1st pref. un- + bed.]

Defn: To raise or rouse from bed.
Eels unbed themselves and stir at the noise of thunder. Wa

UNBEDINNED
Un`be*dinned", a.