Unlike — Defs

01 a. Not like; dissimilar; diverse; having no resemblance; as, the cases are unlike.

1.
Not like; dissimilar; diverse; having no resemblance; as, the cases are unlike.
2.
Not likely; improbable; unlikely.[Obsoles.]

Phrases & compounds

Unlike quantities — quantities expressed by letters which are different or of different powers, as a, b, c, a², a³, xⁿ, and the like.

Unlike signs — the signs plus (+) and minus (-).