verb
1.
Synonyms: loose 5, ease, ease off, lax, loosen, slack, slacken, untighten
2.
to become less tense or reserved
couldn't relax in crowds
Synonyms: ease off, loosen up, unbend, unlax, unwind
Related Word: calm (down), collect (oneself), compose (oneself), cool (off), simmer down
Idioms: be at ease, breathe easily, feel at home, make oneself at home
Contrasted words: rack (oneself), tense (up)
3.
Synonyms: rest 2, rest up, unbend, unlax