adj
dead
dehd
adj
1
No longer alive.
"The old oak tree had been dead for years."
"Her grandfather has been dead since 2010."
2
No longer working, active, or in use.
"My phone battery is dead."
"That line has been dead for months — nobody uses it anymore."
3
Complete or exact, especially describing precision or stillness.
"He hit dead centre with his first shot."
"There was dead silence in the room."
adv
1
Completely; exactly.
"You're dead right about that."
"The arrow landed dead on target."
How to Use Dead
Learner’s notesIn plain EnglishNo longer alive, or (informally) no longer working, active, or exact/complete.
When to use it
The intensifier use ("dead easy", "dead right") is common in British informal speech.
Common pairings
dead battery
dead silence
dead tired
dead on time
Word Forms
deader comparative, deaded past tense, deads singular, deadest superlative
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Etymology
From Old English dead, from a Proto-Germanic root also behind German tot and Dutch dood.