primp vs dress up

primp and dress up both are verbs.

Word	Noun	Adjective	Verb	Adverb
primp	No	No	Yes	No
dress up	No	No	Yes	No

As verbs, dress up is a hypernym of primp; that is, dress up is a word with a broader meaning than primp:

primp: dress or groom with elaborate care
dress up: put on special clothes to appear particularly appealing and attractive

primp (verb)	dress up (verb)
dress or groom with elaborate care	put on special clothes to appear particularly appealing and attractive
	dress in a costume
	dress in a certain manner
	make something appear superficially attractive
	put a caparison on