decline

(n) change toward something smaller or lower diminution,
(n) a condition inferior to an earlier condition; a gradual falling off from a better state declination,
(n) a gradual decrease; as of stored charge or current decay,
(n) a downward slope or bend declivity, downslope, declination, declension, fall, descent,

(v) grow worse
- Conditions in the slum worsened
worsen,
(v) refuse to accept
- He refused my offer of hospitality
pass up, turn down, refuse, reject,
(v) show unwillingness towards
- he declined to join the group on a hike
refuse,
(v) grow smaller
- Interest in the project waned
wane, go down,
(v) go down
- The roof declines here
(v) go down in value
- the stock market corrected
- prices slumped
slump, correct,
(v) inflect for number, gender, case, etc., "in many languages, speakers decline nouns, pronouns, and adjectives"

worsen diminution declination pass up turn down refuse reject decay declivity downslope declension fall descent wane go down slump correct

ameliorate improve meliorate better melioration improvement accept take have consent go for acclivity ascent climb upgrade raise rise

decline in quality