(simile) Unquestionably dead. Used for both inanimate objects and once living beings.

Either dead or alive. / Used to indicate someone is being sought for some kind of punishment or reprimand, and that (s)he may be killed in the process of finding, as if this was reasonable punishment.

(fiction, usually with the) The undead; zombies, vampires, etc.

Existing in stasis, without meaningful activity or development.

(simile) Undoubtedly and unquestionably dead. / (simile) Very much out of date.

(idiomatic, slang) An empty container, usually a bottle or can which contained an alcoholic beverage.

plural of dead end

plural of dead-end

Third-person singular simple present indicative form of dead-end

Mindless, plodding, or passive; stultifying / (golf) Having very little wrist or hand action. / Having limp or weak hands.