1.Definition: (followed by `to') not showing human feeling or sensitivity; unresponsive
"Passersby were dead to our plea for help"
2.Definition: devoid of activity
"This is a dead town; nothing ever happens here"
3.Definition: devoid of physical sensation; numb
"His gums were dead from the novocain", "She felt no discomfort as the dentist drilled her deadened tooth"
4.Definition: drained of electric charge; discharged
"A dead battery"
5.Definition: lacking acoustic resonance
"Dead sounds characteristic of some compact discs", "The dead wall surfaces of a recording studio"
6.Definition: lacking resilience or bounce
"A dead tennis ball"
7.Definition: no longer having force or relevance
"A dead issue"
8.Definition: no longer having or seeming to have or expecting to have life
"The nerve is dead", "A dead pallor", "He was marked as a dead man by the assassin"
9.Definition: not circulating or flowing
"Dead air", "Dead water"
10.Definition: 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", "Dead coals", "The fire is dead"
11.Definition: not surviving in active use
"Latin is a dead language"
12.Definition: not yielding a return
13.Definition: out of use or operation because of a fault or breakdown
"A dead telephone line", "The motor is dead"
14.Definition: physically inactive
"Crater Lake is in the crater of a dead volcano of the Cascade Range"
15.Definition: the complete stoppage of an action
"Came to a dead stop"
16.Definition: unerringly accurate
"A dead shot", "Took dead aim"