1. Definitely or positively ('sure' is sometimes used informally for 'surely')
   "she certainly is a hard worker"
   - surely, sure, for sure, for certain, sure enough, sure as shooting

See also: certain

• 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
• heat-releasing
• heat-seeking missile