UNBESPEAK
Un`be*speak", v. t. Etym: [1st pref. un- + bespeak.]

Defn: To unsay; hence, to annul or cancel. [Obs.] Pepys.

UNBETHINK
Un`be*think", v. t. Etym: [1st pref. un- + bethink.]

Defn: To change the mind of (one's self). [Obs.]

UNBEWARE
Un`be*ware", adv.

Defn: Unawares. [Obs.] Bale.

UNBEWITCH
Un`be*witch", v. t. Etym: [1st pref. un- + bewitch.]

Defn: To free from a spell; to disenchant. [R.] South.

UNBIAS
Un*bi"as, v. t. Etym: [1st pref. un- + bias.]

Defn: To free from bias or prejudice. Swift.