C1a feeling of unhappiness and anger because someone has something or someone that you want: He broke his brother's new bike in a fit of jealousy.She was consumed by/eaten up with jealousy (= she was very jealous) when she heard that he had been given a promotion.The team has performed very badly this season due to petty jealousies (= feelings of jealousy about unimportant things) among the players.→ CompareenvyverbEnvy and jealousy