Answer: sank

AnswerCrossword Clue
sankto dig, as a shaft
SANKCompleted, as a putt
SANKWent bankrupt
SANKLost seaworthiness
SANKBrought to ruin
SANKWent down like a cement block
sankto fail in health
sankSINK, to subside to a lower level
sankbasin connected with a water supply and a drain
sankto cause to sink
SANKPut in the hole
sankto decrease in amount or intensity
sankto fall, drop, or descend to a lower level or state
SANKDidn't float
SANKFell to the seabed
SANKBrought to utter ruin
SANKPut into a hole
SANKDropped like an anchor
SANKHeaded to bed?
SANKImmortal "Suns That ... Below"
SANK"Sighted sub, ... same"
SANKWent down.
SANKScuttled.
SANKSettled.
SANKVisited Davy Jones's locker
SANKWent like the Titanic
SANKFell prey to quicksand
SANKScuttled
SANKSettled
SANKPutted perfectly
SANKSet, as the sun
SANKSettled gradually
SANK"Sighted sub, ... same": Mason
SANKDropped, maybe
SANKSent to the bottom
SANKDropped in the drink
SANKWas the ruin of
SANKBlasted a hole in
SANKCollapsed
SANKLost buoyancy