- Cubicly Adv.
- Culpably Adv.
- Culturally Adv.
- Culturedly Adv.
- Cumbersomely Adv.
- Cumbrously Adv.
- Cumulatively Adv.
- Cunning Subst. Adj. Adv.
- Cunningly Adv.
- Cuplike Adj. Adv.
- Curably Adv.
- Curatively Adv.
- Curbside Adj. Subst. Adv.
- Curiously Adv.
- Curlily Adv.
- Curlingly Adv.
- Currently Adv.
- Cursedly Adv.
- Cursively Adv.
- Cursorily Adv.
- Curtly Adv.
- Curvaceously Adv.
- Curvedly Adv.
- Curvilinearly Adv.
- Cushily Adv.
- Cussedly Adv.
- Custodially Adv.
- Customarily Adv.
- Cutaneously Adv.
- Cute Adj. Adv.
- Cutely Adv.
- Cuttingly Adv.
- Cybernetically Adv.
- Cyclically Adv.
- Cyclicly Adv.
- Cyclonically Adv.
- Cylindrically Adv.
- Cymosely Adv.
- Cynically Adv.
- Cytogenetically Adv.
- Cytologically Adv.
- Cytophotometrically Adv.
- Cytoplasmically Adv.
- Cytostatically Adv.