drop dead vs fail

drop dead and fail both are verbs.

Word	Noun	Adjective	Verb	Adverb
drop dead	No	No	Yes	No
fail	No	No	Yes	No

drop dead (verb)	fail (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	stop operating or functioning
	deteriorate
	prove insufficient
	disappoint, prove undependable to; abandon, forsake
	become bankrupt or insolvent; fail financially and close
	be unsuccessful
	fail to get a passing grade
	fail to do something; leave something undone
	judge unacceptable
	be unable
	fall short in what is expected