expand vs luxuriate

expand and luxuriate both are verbs.

Word	Noun	Adjective	Verb	Adverb
expand	No	No	Yes	No
luxuriate	No	No	Yes	No

As verbs, luxuriate is a hyponym of expand; that is, luxuriate is a word with a more specific, narrower meaning than expand:

Other hyponyms of expand include revive.

expand (verb)	luxuriate (verb)
grow vigorously	thrive profusely or flourish extensively
exaggerate or make bigger	become extravagant; indulge (oneself) luxuriously
become larger in size or volume or quantity	enjoy to excess
expand the influence of
make bigger or wider in size, volume, or quantity
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
extend in one or more directions