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

3.no longer having or seeming to have or expecting to have life;

the nerve is dead

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

5.very tired;

was all in at the end of the day

6.unerringly accurate;

a dead shot

7.physically inactive;

Crater Lake is in the crater of a dead volcano of the Cascade Range

8.total;

dead silence

9.not endowed with life;

the inorganic world is inanimate

10.(followed by `to') not showing human feeling or sensitivity; unresponsive;

passersby were dead to our plea for help

11.devoid of physical sensation; numb;

his gums were dead from the novocain

12. lacking acoustic resonance;

dead sounds characteristic of some compact discs

13. not yielding a return;

dead capital

14. not circulating or flowing;

dead air

15. out of use or operation because of a fault or breakdown;

a dead telephone line

16. not surviving in active use;

Latin is a dead language

17. lacking resilience or bounce;

a dead tennis ball

18. no longer in force or use; inactive;

a defunct (or dead) law

19. no longer having force or relevance;

a dead issue

20. sudden and complete;

came to a dead stop

21. drained of electric charge; discharged;

a dead battery

22. lacking animation or excitement or activity;

the party being dead we left early

23. devoid of activity;

this is a dead town; nothing ever happens here

24.quickly and without warning;

he stopped suddenly

25.completely and without qualification; used informally as intensifiers;

an absolutely magnificent painting