limit vs boundary

limit and boundary both are nouns.

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

As nouns, limit and boundary are synonyms defined as:

Other synonyms of limit include bound.

As nouns, boundary is a hypernym of limit; that is, boundary is a word with a broader meaning than limit:

Other hypernyms of limit include bound, bounds.

limit (noun)	boundary (noun)
the greatest possible degree of something	the greatest possible degree of something
the boundary of a specific area	the line or plane indicating the limit or extent of something
as far as something can go	a line determining the limits of an area
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)	boundary (verb)
restrict or confine within limits
place limits on (extent or amount or access)
decide upon or fix definitely