Un*like"ly, a. 1. Not
likely; improbable; not to be reasonably expected; as, an unlikely
event; the thing you mention is very unlikely.
2. Not holding out a prospect of success; likely to
fail; unpromising; as, unlikely means. Hooker.
3. Not such as to inspire liking; unattractive;
disagreeable. [Obs.] "The unlikely eld of me."
Chaucer.
Un*like"ly, adv. In an unlikely
manner.