ceiling

Noun

• maximum altitude at which a plane can fly (under specified conditions)

• an upper limit on what is allowed
  • he put a ceiling on the number of women who worked for him
    
  • there was a roof on salaries
    
  • they established a cap for prices
    

• (meteorology) altitude of the lowest layer of clouds

• the overhead upper surface of a covered space
  • he hated painting the ceiling
    

Related words

• Synonyms: 
  roof , cap