Crossword clues for the word: UNSUB The word UNSUB has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for UNSUB Showing 1 to 6 of 6 results Clue(s) "Criminal Minds" slang word meaning "suspect" "Remove from a mailing list, informally" "Take off the email list, for short" David Soul TV oldie Remove from a mailing list, briefly Unknown perpetrator of a crime, in police slang