Definitions:

1. a judgment of the qualities of something or somebody noun
   • many factors are involved in any estimate of human life
2. a statement indicating the likely cost of some job noun
   • I got an estimate from the car repair shop.
3. an approximate calculation of quantity or degree or worth noun
   • an estimate of what it would cost
4. judge tentatively or form an estimate of (quantities or time) verb
   • I estimate this chicken to weigh three pounds

Synonyms:

• appraisal
• approximate
• approximation
• estimation
• figure
• gage
• gauge
• guess
• judge