chirk up vs jubilate

chirk up and jubilate both are verbs.

Word	Noun	Adjective	Verb	Adverb
chirk up	No	No	Yes	No
jubilate	No	No	Yes	No

As verbs, jubilate is a hyponym of chirk up; that is, jubilate is a word with a more specific, narrower meaning than chirk up:

Other hyponyms of chirk up include exuberate, exult, rejoice, triumph, buoy up, lighten, lighten up.

chirk up (verb)	jubilate (verb)
become cheerful	to express great joy
	celebrate a jubilee