What is the meaning of Unlike?

Not like; dissimilar (to); having no resemblance; unalike.

Unequal.

Not likely; improbable; unlikely.

Different from; not in a like or similar manner.

In contrast with; as opposed to.

Not typical of one's character or personality.

Something that is not like something else; something different.

To dislike.

To cancel a "like" action.

To withdraw support or enjoyment for.

The act of withdrawing one's like from a post on social media.

Source: wiktionary.org