Alternative spelling of colorize and colourise, now rarely used.(verb)
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Use "colourize" in a sentence
"Ted Turner may have had a dream to buy up and colourize every classic black and white film he could find – I have a dream to destroy every crap dub that America has created under the guise of “subtitles are complicated.”"
"qucik colourize just wanted to share this strange character wearing a bonnet lol didn't pay much attention to details as I just wanted to see his face in colour."