Dictionary.net

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"

Difficult to please or satisfy; solicitous to be correct; careful; scrupulous; nice; exact.

Exhibiting care or nicety; artfully constructed; elaborate; wrought with elegance or skill.

Careful or anxious to learn; eager for knowledge; given to research or inquiry; habitually inquisitive; prying; -- sometimes with after or of.

Exciting attention or inquiry; awakening surprise; inviting and rewarding inquisitiveness; not simple or plain; strange; rare.

Anxious to know; inquisitive; queer; rare.

Curiousness.

Curiousness.

Anxious to learn: inquisitive: showing great care or nicety: skillfully made: singular: rare.

Curiousness.

Eager for information; inquisitive.

Inquisitive; showing care or skill; singular; rare.

Desirous to know; inquisitive: careful about; nice; artful; wrought with care and art; singular; strange.

Strongly desirous to know or see; inquisitive; prying; wrought with elaborate care and art; difficult to please; singular; rare.

Inquisitive, desirous of information; attentive to, diligent about; accurate, careful not to mistake; difficult to please, solicitous of perfection; exact, nice, subtle; elegant, neat, laboured, finished.