minimum

Adjective

• the least possible
  • needed to enforce minimal standards
    
  • her grades were minimal
    
  • minimum wage
    
  • a minimal charge for the service
    

Noun

• the point on a curve where the tangent changes from negative on the left to positive on the right

• the smallest possible quantity

Related words

• Synonyms: 
  minimal , lower limit
• Antonyms: 
  maximal , maximum , upper limit