curiousest

superlative form of curious: most curious

Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying.
Caused by curiosity.
Leading one to ask questions about; somewhat odd, out of the ordinary, or unusual.
(abbreviation, alt-of, clipping) Clipping of bi-curious.
(in-compounds) Interested in entering a romantic or sexual relationship with a specified group.
(obsolete) Careful, fastidious, particular; (specifically) demanding a high standard of excellence, difficult to satisfy.
(obsolete) Carefully or artfully constructed; made with great elegance or skill.