Looking for the meaning or definition of the word unwatch? Here's what it means.
Verb
(transitive, rare) To undo the watching of something; to unsee.
(transitive, Wiktionary and WMF jargon) To remove (a webpage) from one's watchlist.
Examples
I wish I could unwatch this nightmare so that I wouldn't have this baggage knocking around in my brain for the rest of my life. Never, for the love of God, watch this movie.