WordWeb Online

1. Beyond or deviating from the usual or expected
   "a curious hybrid accent";
   - funny, odd, peculiar, queer, rum [Brit, informal], rummy [Brit, archaic, informal], singular
    
2. Eager to investigate and learn or learn more (sometimes about others' concerns)
   "a curious child is a teacher's delight"; "a trap door that made me curious"; "curious investigators"; "traffic was slowed by curious rubberneckers"; "curious about the neighbour's doings"

See also: inquiring, inquisitive, interested, nosey, nosy, oddball, overcurious, prying, questioning, snoopy, speculative, strange, unusual, wondering

Antonym: incurious

Encyclopedia: Curious