What does "die" mean?

In addition to the idioms beginning with die, also see curl up (and die); do or die; it's to die; never say die.

See die in WNW Idioms

die away

to become weaker and cease gradually

die back

to wither to the roots or woody part

die hard

to cling to life, a cause, etc.; resist to the last

die off

to die one by one until all are gone

die out

to go out of existence

the die is cast

Etymology: transl. of L jacta est alea, ascribed to Caesar at the Rubicon

the irrevocable decision has been made

See die in American Heritage Dictionary 4 Idioms

die hard

To take a long time in passing out of existence: racial prejudices that die hard.
To resist against overwhelming, hopeless odds: radicalism that dies hard.

die on the vine

To fail, as from lack of support, especially at an early stage: a plan that died on the vine.

to die for

Informal

Remarkable or highly desirable.

load the dice

To make an outcome highly probable; predetermine a result: “These factors merely load the dice, upping the odds that a household will fall into a certain . . . income distribution” (Thomas G. Exter).
To put another at a distinct disadvantage, as through prior maneuver: The dice were loaded against the defendant before the trial.

no dice