The adj curious has 3 senses (first 2 from tagged texts)
1. (14) curious, funny, odd, peculiar, queer, rum, rummy, singular -- (beyond or deviating from the usual or expected; "a curious hybrid accent"; "her speech has a funny twang"; "they have some funny ideas about war"; "had an odd name"; "the peculiar aromatic odor of cloves"; "something definitely queer about this town"; "what a rum fellow"; "singular behavior")
2. (13) curious -- (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 neighbor's doings")
3. curious -- (having curiosity aroused; eagerly interested in learning more; "a trap door that made me curious")