unlike

adjective

1. different, dissimilar, or unequal; not alike: They contributed unlike sums to charity.

preposition

2. dissimilar to; different from: She is unlike my sister in many ways.
3. not typical or characteristic of: It is unlike her to enjoy herself so much.

noun

4. a person or thing differing from another or others.

adjective

1. not alike; dissimilar or unequal; different
2. archaic unlikely

preposition

3. not like; not typical ofunlike his father, he lacks intelligence

adj.c.1200, “not resembling,” from un- (1) “not” + like (adj.). Cf. Old English ungelic, Old Frisian unlik, Old Norse ulikr, Middle Danish ulige.