[ Um-louke], v. to lock in, H.
[ Um-sege], v. to besiege, H.
[ Um-set], pp. beset all round, S2; see [Vmbe-set].
[ Um-shadow], v. to shadow round, protect, H.
[ Um-stride], v. to bestride, S2; umstrode, pt. s., HD.
[ Um-writhen], v. to wind round, H; umwrithyn, pp., H.
[ Um-ȝede], pt. s. went about, H.
[ Un-], prefix (1), has a negative force and is used before substantives, adjectives, and past participles; on-, B.—Goth. un-; cp. Gr. ἀν-.
[ Un-], prefix (2), expresses the reversal of an action, and is used before verbs; on-, S3.—Goth. and-; cp. Gr. ἀντι-.