1. Grow worse
   - worsen 
2. Refuse to accept
   - refuse, reject, pass up, turn down 
3. Show unwillingness towards
   "he declined to join the group on a hike"
   - refuse 
4. Grow smaller
   - go down, wane 
5. Go down
   "The roof declines here" 
6. Go down in value
   - slump, correct 
7. Inflect for number, gender, case, etc., "in many languages, speakers decline nouns, pronouns, and adjectives"

1. Change toward something smaller or lower
   - diminution 
2. A condition inferior to an earlier condition; a gradual falling off from a better state
   - declination 
3. A gradual decrease; as of stored charge or current
   - decay 
4. A downward slope or bend
   - descent, declivity, fall, declination, declension, downslope

Derived forms: declines, declining, declined

See also: declension, declination

Type of: change state, come down, condition, decrease, decrement, descend, diminish, drop, fall, go down, incline, inflect, lessen, react, respond, side, slope, status, turn

Antonym: improvement

Encyclopedia: Decline

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