insist vs hold firm

insist and hold firm both are verbs.

Word	Noun	Adjective	Verb	Adverb
insist	No	No	Yes	No
hold firm	No	No	Yes	No

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

Other hyponyms of insist include stand fast, stand firm, stand pat, assert, asseverate, maintain.

insist (verb)	hold firm (verb)
postulate positively and assertively	refuse to abandon one's opinion or belief
be emphatic or resolute and refuse to budge
beg persistently and urgently