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

See also: uncertain

• stick by
• stick cinnamon
• stick figure
• stick horse
• stick in
• stick insect
• stick it out
• stick lac
• stick out
• stick shift
• stick to
• stick together
• stick with
• stick-in-the-mud
• stick-on
• stickball
• stickball game
• sticker
• stickily
• stickiness
• heat sink
• heat unit
• heat up
• heat wave
• heat-absorbing