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, slid, waned, withered, went downhill, decayed, reverted, tergiversated, fell apart, gone downhill
descended (part of speech: verb)
erred (part of speech: verb)
- He slipped something into Colonel Kirby's hands, and Kirby struck a match to examine it. - "Winds of the World", Talbot Mundy.
- And Bet slipped into bed and was soon fast asleep. - "The Merriweather Girls and the Mystery of the Queen's Fan", Lizette M. Edholm.
- Nance turned on another light and slipped across to Judy's room. - "Molly Brown's Junior Days", Nell Speed.