from
The Collaborative International Dictionary of English v.0.48
Sneak \Sneak\ (sn[=e]k), v. i. [imp. & p. p. {Sneaked}
(sn[=e]kt); p. pr. & vb. n. {Sneaking}.] [OE. sniken, AS.
sn[imac]can to creep; akin to Dan. snige sig; cf. Icel.
sn[imac]kja to hanker after.]
1. To creep or steal (away or about) privately; to come or go
meanly, as a person afraid or ashamed to be seen; as, to
sneak away from company.
[1913 Webster]
You skulked behind the fence, and sneaked away.
--Dryden.
[1913 Webster]
2. To act in a stealthy and cowardly manner; to behave with
meanness and servility; to crouch.
[1913 Webster]