dead

adjective

1
devoid of activity
this is a dead town; nothing ever happens here
2
physically inactive
Crater Lake is in the crater of a dead volcano of the Cascade Range
3
no longer having or seeming to have or expecting to have life
the nerve is dead
a dead pallor
4
not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat
Mars is a dead planet
dead soil
5
drained of electric charge; discharged
a dead battery
left the lights on and came back to find the battery drained
6
complete
came to a dead stop
utter seriousness
7
no longer having force or relevance
a dead issue
8
out of use or operation because of a fault or breakdown
a dead telephone line
the motor is dead
9
lacking resilience or bounce
a dead tennis ball
10
not surviving in active use
Latin is a dead language

1
people who are no longer living
they buried the dead
2
a time when coldness (or some other quality associated with death) is intense
the dead of winter

Also useful for “dead”:Unscrambler— Turn loose letters into real words