1) A comparative phrase meaning "possessing no great dissimilarity from, but not neccesarily possessing similarity to."

That subtle denotation escapes most, and it is most commonly used as:

2) a clumsy, noncomittal way of expressing simple similarity.
1) Well, yes, I guess it would be fair to say that Bush's appropriation of power for the executive is not unlike the administration of Hitler's Germany, but that misses the point.

2) He looks not unlike Elijah Wood.
by K-Wheezy July 8, 2004
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Something I really wish I could do on Urban Dictionary.
Damn...wouldn't it be great if I could unlike this Urban Dictionary definition instead of having to pick between a thumbs up and a thumbs down?
by childish gambino fan July 25, 2019
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Taking back your approval of something that's been said or done, or something posted online.

This term originates from Facebook, where you can publicly say you "like" something, and then have the option to take the "like" back. "Unlike" does not mean you dislike something.
"I really like the shading and texture on this picture you drew of a man in a prison cell. Oh wait; the man is supposed to be me. Unlike."
by Moggraider July 30, 2009
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an expression used to indicate that you do not approve of whatever has just been said, or dislike it.
Originates from the ability to 'like' things on facebook and then 'unlike' them.
Guy 1: "Dude I just got the new Jonas Brothers album!"

Guy 2: "unlike..."
by shplurf March 17, 2009
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Origin: Button under Facebook status updates. Meaning: To change your mind quickly about something in an unfavorable way.
I liked the piece of art in the gallery at first, but then I took a closer look and instantly unliked it.
I thought I would buy that new dress, but when I saw the fabric up close I unliked it.
by yocarolyn October 22, 2009
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