1. In an unsteady manner
   - unsteadily, falteringly, woozily 
2. Showing lack of certainty
   "he paused uncertainly"

See also: uncertain

• celery root
• celery salt
• celery seed
• char
• Chara
• charabanc
• Characeae
• characid
• Characidae
• characin
• characin fish
• Characinidae
• character
• character actor
• character assassination
• character printer
• character reference
• character set
• character witness
• character-at-a-time printer
• characterisation
• characterise
• characterisic function
• characteristic
• characteristic curve