less

Adjective

• (nonstandard in some uses but often idiomatic with measure phrases) fewer
  • less than three weeks
    
  • no less than 50 people attended
    
  • in 25 words or less
    

• (usually preceded by `no') lower in quality
  • no less than perfect
    

• (comparative of `little' usually used with mass nouns) a quantifier meaning not as great in amount or degree
  • of less importance
    
  • less time to spend with the family
    
  • a shower uses less water
    
  • less than three years old
    

Adverb

• comparative of little
  • she walks less than she should
    
  • he works less these days
    

• used to form the comparative of some adjectives and adverbs
  • less interesting
    
  • less expensive
    
  • less quickly
    

Related words

• Synonyms: 
  less(a) , to a lesser extent
• Antonyms: 
  more(a) , more than , more , to a greater extent