adjective curiouser cu·ri·ous·er

1. eager to learn or know
2. unnecessarily inquisitive; prying
3. arousing attention or interest because unusual or strange; odd
4. Rare highly detailed, as in workmanship; elaborate
5. Obsolete fastidious

Etymology: ME < OFr curios < L curiosus, careful, diligent, curious; akin to cura, care: see cure