adverb
- in the same manner or form; similarly: They treated all customers alike.
- to the same degree; equally: All three were guilty alike.
adjective
- having resemblance or similarity; having or showing no marked or important difference: He thinks all politicians are alike.
adjective (postpositive)
- possessing the same or similar characteristicsthey all look alike to me
adverb
- in the same or a similar manner, way, or degreethey walk alike
c.1300, aliche, from Old English gelic and/or onlice “similar,” from Proto-Germanic *galikam “associated form” (cf. Old Frisian gelik, German gleich, Gothic galeiks, Old Norse glikr; see like (adj.)).