LOOSEN UP — СИНОНІМІЯ
loosen up cause to feel relaxed
WordNet
loosen up become less tense, rest, or take one''s ease
WordNet
loosen up make one''s body limber or suppler by stretching, as if to prepare for strenuous physical activity
loosen up cause to become unblocked
WordNet
loosen up become less tense, less formal, or less restrained, and assume a friendlier manner
WordNet