decline

Noun

• a downward slope or bend

• a gradual decrease; as of stored charge or current

• a condition inferior to an earlier condition; a gradual falling off from a better state

• change toward something smaller or lower

Verb

• inflect for number, gender, case, etc., "in many languages, speakers decline nouns, pronouns, and adjectives"

• go down in value
  • the stock market corrected
    
  • prices slumped
    

• go down
  • The roof declines here
    

• grow smaller
  • Interest in the project waned
    

• show unwillingness towards
  • he declined to join the group on a hike
    

• refuse to accept
  • He refused my offer of hospitality
    

• grow worse
  • Conditions in the slum worsened
    

Related words

• Synonyms: 
  descent , declivity , fall , declination , declension , downslope , decay , diminution , slump , correct , go down , wane , refuse , reject , pass up , turn down , worsen
• Antonyms: 
  ascent , acclivity , rise , raise , climb , upgrade , improvement , melioration , accept , consent , go for , take , have , better , improve , ameliorate , meliorate