lucubrate vs flesh out

lucubrate and flesh out both are verbs.

Word	Noun	Adjective	Verb	Adverb
lucubrate	No	No	Yes	No
flesh out	No	No	Yes	No

As verbs, lucubrate and flesh out are synonyms defined as:

lucubrate and flesh out: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Other synonyms of lucubrate include dilate, elaborate, enlarge, expand, expatiate, exposit, expound.

lucubrate (verb)	flesh out (verb)
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing	become round, plump, or shapely
	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
	make fat or plump