- to withhold or deny consent to do, enter into or upon, etc.; refuse: He declined to say more about it.
- to express inability or reluctance to accept; refuse with courtesy: to decline an invitation; to decline an offer.
- to cause to slope or incline downward.
- Grammar.
- to inflect (a noun, pronoun, or adjective), as Latin puella, declined puella, puellae, puellae, puellam, puella in the five cases of the singular.
- to recite or display all or some subset of the inflected forms of a noun, pronoun, or adjective in a fixed order.
- to express courteous refusal; refuse: We sent him an invitation but he declined.
- to bend or slant down; slope downward; descend: The hill declines to the lake.
- (of pathways, routes, objects, etc.) to follow a downward course or path: The sun declined in the skies.
- to draw toward the close, as the day.
- to fail in strength, vigor, character, value, etc.; deteriorate.
- to fail or dwindle; sink or fade away: to decline in popularity.
- to descend, as to an unworthy level; stoop.
- to be characterized by declension.
- a downward slope; declivity.
- a downward movement, as of prices or population; diminution: a decline in the stock market.
- a failing or gradual loss, as in strength, character, power, or value; deterioration: the decline of the Roman Empire.
- a gradual deterioration of the physical powers, as in later life or in disease: After his seventieth birthday he went into a decline.
- progress downward or toward the close, as of the sun or the day.
- the later years or last part: He became an editor in the decline of his life.
- to refuse to do or accept (something), esp politely
- to grow smaller; diminish
- to slope or cause to slope downwards
- to deteriorate gradually, as in quality, health, or character
- to state or list the inflections of (a noun, adjective, or pronoun), or (of a noun, adjective, or pronoun) to be inflected for number, case, or gender
- gradual deterioration or loss
- a movement downwards or towards something smaller; diminution
- a downward slope; declivity
- any slowly progressive disease, such as tuberculosis