declining

fe’l verb

1. To move downwards, to fall, to drop. The dollar has declined rapidly since 2001.
2. To become weaker or worse. My health declined in winter.
3. To turn or bend aside; to deviate; to stray; to withdraw. a line that declines from straightness
4. To refuse, forbear. On reflection I think I will decline your generous offer.

ot noun

1. Decline