Difference between Loosen Up and Sneak Off

LOOSEN UP vs SNEAK OFF: VERB

To relax, act less seriously.
To become loose; to loosen
Cause to feel relaxed
Make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
Cause to become unblocked
Become less tense, rest, or take one's ease
Become less tense, less formal, or less restrained, and assume a friendlier manner

Fatten up, Eke out, Morning sickness, Sniff out, Unstuff, Unstrain, Unlax, Make relaxed, Limber up, Decompress, Unbend, Unwind, Relax, Slow down, Warm up

Blow over, Keep apart, Turn tail, Clear off, Take hold, Lie low, Skip over, Make off, Knock over, Slip by, Sneak in, Slip away, Sneak out, Sneak away, Steal away

Wipe away, Make headway, Body odor, Snuff out, Sit tight, Fatten up, Eke out, Morning sickness, Sniff out, Limber up, Decompress, Unbend, Relax, Slow down, Warm up

Bump into, Blow over, Keep apart, Turn tail, Clear off, Take hold, Lie low, Skip over, Make off, Knock over, Slip by, Sneak in, Slip away, Sneak away, Steal away

Your muscles really loosen up in heated water.
Great reminder to loosen up and have fun!
Do easy stretches to loosen up your muscles.
The straps can loosen up as you drive.
NEVER had one loosen up since I changed.
Turn the speakers up a little louder than you normally would will help loosen up the material.
Things are stating to loosen up as state parks and boat launches open up.
In sum, my internal workplace advice is: open up, loosen up, listen up, speak up, and don't work weekends on anything you don't enjoy.
However, they tend to loosen up after washing up for a few times.
Should I dig up and loosen up the rootball?

Later, as the kids eat dinner, they sneak off some of their portions to give to Flip.
If you see a twink trying to sneak off to bandage, put your pet on him!
Alyss acalls it a night early making it easy for Calim to sneak off.
Myra and Geoff sneak off to isolation, Myra unlocks the security gate.
Might you sneak off to a hotel one weekend and leave the kids with your parents?
My son can sneak off to his own space, rejuvenate, refocus, wind down.
Demetrius that you planned to sneak off into this forest.
Introductionfriends sneak off to the river while at camp.
Emma and Izzy sneak off to meet with Gabe.
Bobbie wanted to sneak off and put it on.