laugh away vs ignore

laugh away and ignore both are verbs.

Word	Noun	Adjective	Verb	Adverb
laugh away	No	No	Yes	No
ignore	No	No	Yes	No

As verbs, ignore is a hypernym of laugh away; that is, ignore is a word with a broader meaning than laugh away:

laugh away: deal with a problem by laughing or pretending to be amused by it
ignore: bar from attention or consideration

Other hypernyms of laugh away include brush aside, brush off, discount, dismiss, disregard, push aside.

laugh away (verb)	ignore (verb)
deal with a problem by laughing or pretending to be amused by it	be ignorant of or in the dark about
	give little or no attention to
	bar from attention or consideration
	refuse to acknowledge
	fail to notice