Definition of "blend in" [blend in]

• To add (an ingredient) by mixing or blending. (verb)
• To fit unnoticed into a surrounding. (verb)

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• "The machines also handled mind-stuff, but mechanically channeled, focused, and projected; the result was a shifting, flickering, nightmarish distortion of emanations in which Robane and his instruments seemed to blend in constantly changing patterns."
• "THE BUTCHER FOUND IT EASY to blend in with the hot-shit college students on the campus of George Washington University."
• "A desert creature from Earth-or from a dozen other worlds-would blend in very well with the dry country we flew over on the way here, I think."