Antonyms for unlike

all:

like.

different:

like, related, alike, similar, same.

noun:

homogeneous, essential, look-alike, analogous, homologous, akin, germane, homological, suchlike, tantamount, proper, indistinguishable, homogenous, pertinent, uniform, kin, equivalent, apropos, comparable, kindred, selfsame, relevant, appropriate, like-minded, parallel.