Of uncertain or unknown categorization; strange.
Having anomalies.
Deviating from the normal; marked by incongruity or contradiction; aberrant or abnormal.
Leading one to ask questions about; somewhat odd, out of the ordinary, or unusual.
Containing or pertaining to trivalent curium.
Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying.
Caused by curiosity.