Synonyms of uptight

1 Syllable

strict

2 Syllables

twitchy, tetchier, nervy, worried, tense, edgier, strictest, angry, hacked, prudish, angrier, whiny, strained, grumbly, angriest, testy, sullen, troubled, touchy, cautious, wrecker, bearish, anxious, touchier, testier, nervous, withdrawn, tetchy, edgy, ruber, stricter, touchiest

3 Syllables

petulant, untrusting, incensed, mistrustful, suspicious, restive, hysteric, neurotic, overwrought, distressed, distrustful, victorian, strait-laced, unpoised, overstrung, fluttery, frightened, buffaloed, restrained, jittery, unbending, jellyfish, uneasy, butterflies, reticent, concerned, querulous

4 Syllables

scaredy-cat, disagreeable, irascible, obsessive, defensive, unconfident, unforthcoming, old-fashioned, conventional, inhibited, overanxious, unassured, insecure, unaffable

5 Syllables

psychoneurotic, apprehensive, isolationist, unexpansive