fix vs define

fix is a noun but define is not a noun.

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

As verbs, fix and define are synonyms defined as:

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

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

Other hyponyms of fix include quantify, name, reset.

fix (noun)	define (noun)
the act of putting something in working order again
an exemption granted after influence (e.g., money) is brought to bear
a determination of the place where something is
something craved, especially an intravenous injection of a narcotic drug
informal terms for a difficult situation

fix (verb)	define (verb)
make infertile	give a definition for the meaning of a word
make fixed, stable or stationary	decide upon or fix definitely
restore by replacing a part or putting together what is torn or broken	determine the essential quality of
kill, preserve, and harden (tissue) in order to prepare for microscopic study	determine the nature of
make ready or suitable or equip in advance for a particular purpose or for some use, event, etc	show the form or outline of
decide upon or fix definitely
take vengeance on or get even
cause to be firmly attached
put (something somewhere) firmly
prepare for eating by applying heat
set or place definitely
to be about to do something
influence an event or its outcome by illegal means