Synonyms and Antonyms of act up
1 to behave badly the two-year-old was acting up in church so much that her dad had to take her outside Synonyms of act up act out, misbehave, carry onWords Related to act up misconduct; disobey, rebel; clown (around), cut up, fool around, horse around, kid (around); show off; roughhouseNear Antonyms of act up obey; acquit, act, bear, comport, conduct, demean, deport, quit; comply, conform; check, collect, compose, constrain, contain, control, curb, handle, inhibit, move, quiet, repress, restrain
2 to engage in attention-getting playful or boisterous behavior you should have seen the boys acting up when they put on their aprons Synonyms of act up cut up, clown (around), fool around, horse around, hotdog, monkey (around), showboat, show off, skylarkWords Related to act up carry on, misbehave; roughhouse; caper, cavort, disport, frisk, frolic, gambol, lark, rollick, romp; carouse, maffick, revel, roar, wassail
Seen and Heard
What made you want to look up act up? Please tell us where you read or heard it (including the quote, if possible).