stand firm vs hold off

stand firm and hold off both are verbs.

Word	Noun	Adjective	Verb	Adverb
stand firm	No	No	Yes	No
hold off	No	No	Yes	No

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

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

stand firm (verb)	hold off (verb)
refuse to abandon one's opinion or belief	resist and fight to a standoff
stand up or offer resistance to somebody or something	wait before acting