Other crossword clues for answer "REFS"REFSsome who whistle while they workpenalty assessorsdictionaries, almanacs, etc., in briefofficials showing 50-Across, informallydictionaries, thesauruses, etc., informallyplay checkers, informallyones calling offsidesn.B.A. whistle blowerssee 58-Acrossalmanacs and atlases, for short