strange
1 abnormal, astonishing, bizarre, curious, curiouser and curiouser, eccentric, exceptional, extraordinary, fantastic, funny, irregular, left-field (informal) marvellous, mystifying, odd, oddball (informal) off-the-wall (slang) out-of-the-way, outré, peculiar, perplexing, queer, rare, remarkable, rum (Brit. slang) singular, unaccountable, uncanny, uncommon, unheard of, weird, wonderful
2 alien, exotic, foreign, new, novel, outside one's experience, remote, unexplored, unfamiliar, unknown, untried
3 (often with)
to a stranger to, ignorant of, inexperienced, new to, unaccustomed, unpractised, unseasoned, unused, unversed in
4 awkward, bewildered, disoriented, ill at ease, like a fish out of water, lost, out of place, uncomfortable
Antonyms
1 & 2 accustomed, bog-standard (Brit. & Irish slang) common, commonplace, conventional, familiar, habitual, ordinary, regular, routine, run-of-the-mill, standard, typical, unexceptional, usual, well-known
3 accustomed, familiar, habitual
4 at ease, at home, comfortable, relaxed