ACT UP as VERB

1. Meaning
   • make itself felt as a recurring pain
   
   Usage Example(s)
   • My arthritis is acting up again
   
   Hypernyms(s) act up is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • ache (what does ache mean?)
   • smart (what does smart mean?)
   • hurt (what does hurt mean?)
2. Meaning
   • misbehave badly
   • act in a silly or improper way
   
   Synonym(s)
   • carry on (what does carry on mean?)
   
   Usage Example(s)
   • The children acted up when they were not bored
   
   Hypernyms(s) act up is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • misbehave (what does misbehave mean?)
   • misconduct (what does misconduct mean?)
   • misdemean (what does misdemean mean?)