DEADEST

No longer living.

Example: "All of my grandparents are dead."

Figuratively, not alive; lacking life.

(of another person) so hated that they are absolutely ignored.

Example: "He is dead to me."

Doomed; marked for death (literally or as a hyperbole).

Example: ""you come back here this instant! oh, you're dead, mister!""

Without emotion.

Example: "She stood with dead face and limp arms, unresponsive to my plea."

Stationary; static.

Example: "A dead lift"

Without interest to one of the senses; dull; flat.

Example: "A dead glass of soda."

Unproductive.

Example: "Dead fields"

(of a machine, device, or electrical circuit) completely inactive; currently without power; without a signal.

Example: "Now that the motor's dead you can reach in and extract the spark plugs."

(of a battery) unable to emit power, being discharged (flat) or faulty.

Broken or inoperable.

Example: "That monitor is dead; don’t bother hooking it up."

No longer used or required.

Example: "Is this beer glass dead?"

Not imparting motion or power by design.

Example: "A dead axle, also called a lazy axle, is not part of the drivetrain, but is instead free-rotating."

Not in play.

Example: "Once the ball crosses the foul line, it's dead."

(of a golf ball) lying so near the hole that the player is certain to hole it in the next stroke.

(1800s) tagged out.

Full and complete.

Example: "Dead giveaway"

Exact.

Example: "A dead eye"

Experiencing pins and needles (paresthesia).

Example: "After sitting on my hands for a while, my arms became dead."

Constructed so as not to transmit sound; soundless.

Example: "A dead floor"

Bringing death; deadly.

Cut off from the rights of a citizen; deprived of the power of enjoying the rights of property.

Example: "A person who is banished or who becomes a monk is civilly dead."

(often with "to") indifferent to, no longer subject to or ruled by (sin, guilt, pleasure, etc).