hardy vs dauntless

hardy and dauntless both are adjectives.

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

As adjectives, hardy and dauntless are synonyms defined as:

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

hardy (adjective)	dauntless (adjective)
invulnerable to fear or intimidation	invulnerable to fear or intimidation
having rugged physical strength; inured to fatigue or hardships
able to survive under unfavorable weather conditions