Unlike
Unlike , adjective
1.
Not like; dissimilar; diverse; having no resemblance; as, the cases are unlike.
2.
Not likely; improbable; unlikely. [Obsolescent]
Collocations (2)
Unlike quantities (Mathematics) , quantities expressed by letters which are different or of different powers, as a, b, c, a2, a3, xn, and the like.
Unlike signs (Mathematics) , the signs plus (+) and minus (-).