Answer: dead

AnswerCrossword Clue
DEADUnusable, as a cellphone
DEADDisconnected, as a phone line
DEAD"In the Dark" band's nickname, with "the"
DEADWord with beat or heat
DEADIn need of charging, as a cell phone
DEADObsolete
DEADPooped out
DEAD.. in the water
DEADLike a battery needing a charge
DEADOld wanted poster word
DEADNeeding a charge
DEADKind of ringer
DEADKind of heat?
DEADLike Latin, as languages go
DEADType of ringer
DEADVery slow, in the retail biz
DEADLifeless, as a party
DEADGrateful ...
DEADNot working
DEADNot working, like a battery
deadto become numb (lacking feeling) / not alive
DEAD"The ..." (closing tale of "Dubliners")
DEADDoornail descriptive
DEADIn need of recharging
DEADWithout power
DEADInoperative
DEADNo longer in play
DEADOut of bounds
DEADOut of play
DEAD.. ringer
DEADBeyond recharging
DEAD.. letter office
DEADJoyce short story, with "The"
DEADNo longer with us
DEADMore than slow, in retail
DEADMore than tired
DEADGrateful follower?
DEADLike a battery in need of a boost
DEADRequiring a recharge, as a battery
DEADStagnant, as air