Definition of decline
(Entry 1 of 2)
1 : to become less in amount The price of the stock declined.
2 : to tend toward an inferior state or weaker condition his health declined Employee morale declined after the layoffs.
3 : to withhold consent We invited him but he declined.
4a of a celestial body : to sink toward setting the declining sun
b : to draw toward a close : wane the day declined
5a : to slope downward : descend
b : to bend down : droop … eyes … declining toward the ground …— Henry Fielding
c : to stoop (see stoop entry 1 sense 3b) to what is unworthy … the direful shameful state Adam declined into …— Edward Taylor
6 archaic : to turn from a straight course : stray
1a : to refuse especially courteously decline an invitation declined to give her name to the reporter
b : to refuse to undertake, undergo, engage in, or comply with decline battle
2 grammar : to give in prescribed order the grammatical forms of (a noun, pronoun, or adjective) decline the Latin adjective "brevis"
3 : to cause to bend or bow downward … the clover … declines its blooms.— W. C. Bryant
Definition of decline (Entry 2 of 2)
1 : the process of declining: a period of economic decline a decline in the local bird population
a : a gradual physical or mental sinking and wasting away experiencing a mental decline
b : a change to a lower state or level the decline of the aristocracy
2 : the period during which something is deteriorating or approaching its end an empire in decline
3 : a downward slope built on a slight decline
4 : a wasting disease especially : pulmonary tuberculosis
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