slenderize vs alter

slenderize and alter both are verbs.

Word	Noun	Adjective	Verb	Adverb
slenderize	No	No	Yes	No
alter	No	No	Yes	No

As verbs, alter is a hypernym of slenderize; that is, alter is a word with a broader meaning than slenderize:

Other hypernyms of slenderize include change, modify.

slenderize (verb)	alter (verb)
take off weight	remove the ovaries of
make slender or appear to be slender	become different in some particular way, without permanently losing one's or its former characteristics or essence
	cause to change; make different; cause a transformation
	insert words into texts, often falsifying it thereby
	make an alteration to