loosen up Meaning, Definition & Usage

1. verb cause to become unblocked
   unstuff.
   
   • The medicine unstuffed my nose in minutes!
2. verb become less tense, less formal, or less restrained, and assume a friendlier manner
   relax.
   
   • our new colleague relaxed when he saw that we were a friendly group
3. verb make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
   limber up; warm up.
   
4. verb become less tense, rest, or take one's ease
   unwind; unbend; relax; decompress; slow down.
   
   • He relaxed in the hot tub
   • Let's all relax after a hard day's work
5. verb cause to feel relaxed
   unwind; relax; unlax; make relaxed; unstrain.
   
   • A hot bath always relaxes me

WordNet