1) An annoyed or irritated mood 2) Annoy 3) Annoyance 4) Annoyance source 5) Beef 6) Bone to pick 7) Bother 8) Cause for complaint 9) Cause of chafing 10) Cause of irritation 11) Chafe 12) Devil 13) Get at 14) Get to 15) Gravel 16) Gripe 17) Irritate 18) Irritated mood 19) It may be a pet 20) Least favorite pet Found on https://www.crosswordclues.com/clue/peeve