Crossword clues for the word: UNNERVE The word UNNERVE has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for UNNERVE Showing 1 to 10 of 10 results Clue(s) Deprive of courage Deprive of fortitude Disconcert Fluster Frazzle Get at Arsenal, no wingers, vague, no guts Rattle Scare Take courage from? Unsettle or scare