blow up vs enlarge

blow up and enlarge both are verbs.

Word	Noun	Adjective	Verb	Adverb
blow up	No	No	Yes	No
enlarge	No	No	Yes	No

As verbs, blow up and enlarge are synonyms defined as:

Other synonyms of blow up include magnify.

blow up (verb)	enlarge (verb)
make large	become larger or bigger
exaggerate or make bigger	make large
to swell or cause to enlarge	make larger
cause to burst with a violent release of energy	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
fill with gas or air
burst and release energy as through a violent chemical or physical reaction
add details to
get very angry and fly into a rage