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

See also: uncertain

• true-false
• true-life
• truehearted
• truelove
• truelove knot
• trueness
• Truffaut
• truffle
• trug
• truism
• trull
• truly
• Truman
• Truman doctrine
• Trumbo
• Trumbull
• trump
• trump card
• trump out
• trump up
• trumped-up
• lima bean plant
• Limacidae
• limacine
• limacoid