Quenchless vs Thirsty - What's the difference?

As adjectives the difference between quenchless and thirsty

is that quenchless is that cannot be quenched; unquenchable while thirsty is needing to drink.

(en adjective)

That cannot be quenched; unquenchable.

To quell the ragings of his Father's ire, / And save a guilty world from quenchless fire!

(er)

Needing to drink.

After all that work I am really thirsty .

Causing thirst; giving one a need to drink.

Craving something.

I am thirsty for knowledge.

After the president left office, the nation was thirsty for change.

* bloodthirsty