slenderize vs melt off

slenderize and melt off both are verbs.

Word	Noun	Adjective	Verb	Adverb
slenderize	No	No	Yes	No
melt off	No	No	Yes	No

As verbs, slenderize and melt off are synonyms defined as:

Other synonyms of slenderize include reduce, slim, slim down, thin.

slenderize (verb)	melt off (verb)
take off weight	take off weight
make slender or appear to be slender