define vs quantify

define and quantify both are verbs.

Word	Noun	Adjective	Verb	Adverb
define	No	No	Yes	No
quantify	No	No	Yes	No

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

Other hyponyms of define include name, reset, define.

define (verb)	quantify (verb)
give a definition for the meaning of a word	express as a number or measure or quantity
decide upon or fix definitely	use as a quantifier
determine the essential quality of
determine the nature of
show the form or outline of