hardy vs audacious

hardy and audacious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hardy	No	Yes	No	No
audacious	No	Yes	No	No

As adjectives, hardy and audacious are synonyms defined as:

Other synonyms of hardy include brave, dauntless, fearless, intrepid, unfearing.

hardy (adjective)	audacious (adjective)
invulnerable to fear or intimidation	disposed to venture or take risks
having rugged physical strength; inured to fatigue or hardships	invulnerable to fear or intimidation
able to survive under unfavorable weather conditions	unrestrained by convention or propriety