← BackshareGuessjibbers/ˈdʒɪbərz/nounA state of nervousness, anxiety, or extreme fear; the jitters.I always get the jibbers when I have to speak in front of a crowd.The loud thunderstorm gave the dog a bad case of the jibbers.She had the jibbers before her big job interview.SynonymsjittersnervesAntonymscalm