dead

Adjective
1
no longer alive; having lost life
The flowers in the vase are dead.
My grandfather has been dead for ten years.
2
not working or functioning; without power or activity
My phone is dead; I need to charge it.
Adverb
1
completely; absolutely; exactly
You're dead right about that.
Noun
1
people who have died
The dead were buried in the cemetery.