different from; not similar to

a large house not unlike Mr Shah's

they were unlike anything ever seen before

dissimilar or different from each other

they seemed utterly unlike, despite being twins

be regarded with distaste or hostility; be unpopular

the article suggests that his character was unliked by many

(in the context of social media) withdraw one's approval of or support for (someone or something one has previously liked) by means of an icon or link

I cut about 300 of my 400 friends and unliked about 20–30 pages

his followers are jumping ship: over 32,000 unliked him on Thursday