1. vibrations that can be heard
2. a particular noise or musical tone

1. to make a noise or musical tone
2. to seem or appear to be

1. in good condition; not damaged
2. based on good reasoning; reliable
3. deep and peaceful
Usage: used with sleep

1. deeply and peacefully
Usage: used with sleep

Examples

• The sound of rain on the roof was soothing.
• She heard a strange sound coming from the basement.
• The bell will sound at noon.
• That plan sounds like a good idea.
• The bridge is structurally sound.
• His argument is based on sound reasoning.
• The baby is sound asleep.
• He slept sound through the storm.