die hard Definition

die¹
verb, intr dies, died, dying

1. To stop living; to cease to be alive.

Thesaurus: expire, pass away, pass on, depart, perish, be no more, decease, buy the farm (US slang), kick the bucket (slang), bite the dust (slang), croak (slang).
2. To cease to exist; to come to an end or fade away.
3. Said of an engine, etc: to stop working suddenly and unexpectedly.
4. To suffer or be overcome by the effects of it.

Example: die of laughter
Form: die of something (usually)

Idiom: be dying for something (be dying to do something)

colloq
To have a strong desire or need for it or to do it.

Idiom: to die for

colloq
Highly desirable to the speaker's social group but perceived as being almost unobtainable
Example: That new shop sells fashion accessories to die for
Example: He has a body to die for.

Idiom: die game

To keep up one's spirit to the last.

Idiom: die hard

To be difficult to change or remove. See also diehard.

Idiom: die in harness

To die while still working.

Idiom: die the death

theat slang
To fail to get a response from an audience.

Idiom: never say die

Never give up or give in.

Etymology: 14c as dien: from Norse deyja.

Phrasal Verb: die away

To fade away from sight or hearing until gone.To become steadily weaker and finally stop. See also die away.

Phrasal Verb: die back

Said of a plant's soft shoots: to die or wither from the tip back to the hard wood. See also dieback.

Phrasal Verb: die down

To lose strength or force.Said of a plant or its soft shoots: to wither back to the root without completely dying.

Phrasal Verb: die off

To die one after another; to die in large numbers.

Phrasal Verb: die out

To cease to exist anywhere; to become extinct.