Synonyms of untighten

1 Syllable

cheer, free, lift, speed, still, quiet, cure, smooth, calm, aid, slack

2 Syllables

soften, loosed, eased, slackens, relax, comfort, unpins, unfix, loosing, doctor, slacking, soothe, loose, further, lighten, nurse, easing, allay, unscrew, unbar, unbolt, unlash, unpin, unstrap, unlatch, unstick, lessen, assist, unbars, unsnaps, loosen, relent, forward, loosens, slacken, slacked

3 Syllables

unlacing, unlashed, unsnapped, mollify, unlaced, unscrewing, promote, relieve, appease, release, assuage, pacify, unsticking, loosened, improve, simplify, disburden, loosening, slackened, featherbed, unlace, disenthrall, unsnapping, palliate, unfixing, unstrapped, abate

4 Syllables

tranquilize, featherbedding, moderate, disengage, expedite, meliorate, mitigate

5 Syllables

anesthetize, facilitate, ameliorate