limit vs define

limit is a noun but define is not a noun.

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

As verbs, limit and define are synonyms defined as:

Other synonyms of limit include determine, fix, set, specify.

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

Other hyponyms of limit include quantify, name, reset.

limit (noun)	define (noun)
the greatest possible degree of something
the boundary of a specific area
as far as something can go
the greatest amount of something that is possible or allowed
the mathematical value toward which a function goes as the independent variable approaches infinity
final or latest limiting point

limit (verb)	define (verb)
restrict or confine within limits	give a definition for the meaning of a word
place limits on (extent or amount or access)	decide upon or fix definitely
decide upon or fix definitely	determine the essential quality of
	determine the nature of
	show the form or outline of