descended (part of speech: verb)
deteriorated (part of speech: verb)
declined, faded, ebbed, putrefied, degenerated, collapsed, got worse, worsened, regressed, lapsed, retrogressed, wilted, downgraded, gotten worse, deteriorated, fallen apart, sunk, mouldered, slumped, dilapidated, sank, atrophied, relapsed, slipped, waned, withered, went downhill, decayed, reverted, tergiversated, fell apart, gone downhill
- But Allister slid out of his saddle and Dozier stayed in his. - "Way of the Lawless", Max Brand.
- Fifteen minutes later the smallest child was packed in, with one of the maids in command, and the motor slid off down the drive, leaving Wally on the door step. - "The Cricket", Marjorie Cooke.
- " Helen slid," his companion remarked. - "The Girl From Keller's Sadie's Conquest", Harold Bindloss.