DECLINE v. 12 definitions
weariness, despondency, etc.; to condescend. "With declining head." Shak. He . . . would decline even to the lowest of his family. Lady Hutchinson. Disdaining to decline, Slowly he falls, amidst triumphant cries. Byron. The ground at length became broken and declined rapidly. Sir W. Scott.
DE- n.
A prefix from Latin de down, from, away; as in debark, decline, decease, deduct, decamp. In words from the French it is equivalent to Latin dis- apart, away; or sometimes to de. Cf. Dis-. It is negative and opposite in derange, deform, destroy, etc. It is intensive in deprave, despoil, declare, desolate, etc.…
DECAY v. 2 definitions
s, or perfect state, to one of imperfection, adversity, or dissolution; to waste away; to decline; to fail; to become weak, corrupt, or disintegrated; to rot; to perish; as, a tree decays; fortunes decay; hopes decay. Ill fares the land, to hastening ills a prey, Where wealth accumulates and men decay. Goldsmith.…