stand firm vs stand out

stand firm and stand out both are verbs.

Word	Noun	Adjective	Verb	Adverb
stand firm	No	No	Yes	No
stand out	No	No	Yes	No

As verbs, stand out is a hyponym of stand firm; that is, stand out is a word with a more specific, narrower meaning than stand firm:

Other hyponyms of stand firm include stand up, outbrave, hold off, remain firm, stand, defy, hold, hold up, withstand.

stand firm (verb)	stand out (verb)
refuse to abandon one's opinion or belief	be stubborn in resolution or resistance
stand up or offer resistance to somebody or something	steer away from shore, of ships
	distinguish oneself
	be highly noticeable