Synonyms of curious in English:

inquisitive, intrigued, interested, eager to know, dying to know, burning with curiosity, agog

quizzical, enquiring, searching, probing, querying, questioning, interrogative

perplexed, puzzled, baffled, mystified

informal nosy, nosy-parker, snoopy

Northern English Scottish nebby

strange, odd, peculiar, funny, unusual, bizarre, weird, eccentric, queer, unexpected, unfamiliar, abnormal, out of the ordinary, atypical, anomalous, untypical, different, out of the way, surprising, incongruous, extraordinary, remarkable, puzzling, mystifying, mysterious, perplexing, baffling, unaccountable, inexplicable, irregular, singular, offbeat, unconventional, unorthodox, outlandish, off-centre, aberrant, freak, freakish, deviant

uncanny, eerie, unnatural

British out of the common

outré

Scottish unco

informal off the wall, wacky

British informal rum

North American informal wacko