to cease to live; undergo the complete and permanent cessation of all vital functions; become dead.

(of something inanimate) to cease to exist

The laughter died on his lips.

to lose force, strength, or active qualities

Superstitions die slowly.

to cease to function; stop

The motor died.

to be no longer subject; become indifferent

to die to worldly matters.

to pass gradually; fade or subside gradually (usually fol. by away, out, or down )

The storm slowly died down.

Theology . to lose spiritual life.

to faint or languish.

to suffer as if fatally

I'm dying of boredom!

to pine with desire, love, longing, etc.

I'm dying to see my home again.

to desire or want keenly or greatly

I'm dying for a cup of coffee.

die away, (of a sound) to become weaker or fainter and then cease

The hoofbeats gradually died away.

die down, to become calm or quiet; subside.

die off, to die one after another until the number is greatly reduced

Her friends are dying off.

die out,

to cease to exist; become extinct

Both lines of the family died out before the turn of the century.

to die away; fade; subside

The roar of the engines died out as the rocket vanished into the clouds.

die hard

to die only after a bitter struggle.

to give way or surrender slowly or with difficulty

Childhood beliefs die hard.

die standing up

Theater . (of a performance) to be received with silence rather than applause.

never say die

never give up hope; never abandon one's efforts.

to die for

stunning; remarkable

That dress is to die for.

verb

be born , begin , live , develop , flourish , grow , improve

verb

be no more , be taken , breathe one’s last , cease to exist , conk * , croak * , decease , demise , depart , drop , drop off , drown , expire , finish , give up the ghost , go way of all flesh , kick the bucket * , perish , relinquish life , rest in peace , succumb , suffocate , abate , bate , break down , crumble , decay , decline , degenerate , deteriorate , dilapidate , diminish , disappear , droop , ease off , ebb , end , fade , fade away , fade out , fail , fall , fizzle out , go bad , go downhill , halt , lapse , let up , lose power , melt away , moderate , molder , pass , peter out * , rankle , recede , retrograde , rot , run down , run low , run out , sink , slacken , stop , subside , vanish , wane , weaken , wear away , wilt , go , pass away , ease , fall off , remit , slack off , cease , croak , cube , dwindle , languish , mold , wither , yearn