gawky
adjective
she had been a thin, gawky adolescent:
awkward, ungainly, inelegant, graceless, ungraceful, gauche, maladroit, inept, bumbling, blundering, lumbering;
socially awkward, socially unsure, unpolished, unsophisticated, uncultured, uncultivated, unworldly;
nervous, shy, bashful;
British nervy.
▷antonyms graceful; adroit.
gawky Oxford Dictionary of English