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act up

PRIMARY MEANINGS OF: act up

1
v
misbehave badly; act in a silly or improper way
2
v
make itself felt as a recurring pain
FULL DEFINITIONS OF: act up
1

v misbehave badly; act in a silly or improper way

“The children acted up when they were not bored”
Synonyms:
carry on
Type of:
misbehave, misconduct, misdemean
behave badly
2

v make itself felt as a recurring pain

“My arthritis is acting up again”
Type of:
ache, hurt, smart
be the source of pain
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