(uncountable) the state of being unlike / (countable) an unlike characteristic

plural of unlikeness

Not likely; improbable; not to be reasonably expected. / Not holding out a prospect of success; likely to fail; unpromising.

In an improbable manner.

Something or somebody considered unlikely.

Not like; dissimilar (to); having no resemblance. / Unequal. / (archaic) Not likely; improbable; unlikely.

Differently 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. / (Internet) To withdraw support for a particular thing, especially on social networking websites.

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