depressed (part of speech: verb)
descended (part of speech: verb)
deepened (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, slumped, mouldered, slipped, dilapidated, sank, atrophied, relapsed, slid, waned, withered, went downhill, decayed, reverted, tergiversated, fell apart, gone downhill
immersed (part of speech: verb)
disappeared (part of speech: verb)
- He spent many years in the uncertain pursuit; sunk 600l. - "An History of Birmingham (1783)", William Hutton.
- A man with no profession except the one he hasn't the means to follow is not much use at home, and all my money is sunk in my place here. - "Blake's Burden", Harold Bindloss.
- She was indulging these reflections, and continued sunk in the sleep in which the Sultan seemed to surprise her. - "Eastern Tales by Many Story Tellers", Various.