Durable is a related term of steadfast.
As adjectives the difference between durable and steadfast
is that durable is able to resist wear, decay; lasting; enduring while steadfast is fixed or unchanging; steady.
As a noun durable
is (economics) a durable good, one useful over more than one period, especially a year.
durable
English
Adjective
(
en adjective)
Able to resist wear, decay; lasting; enduring.
Synonyms
* permanent
Antonyms
* weak
* vulnerable
* transitory
Noun
(
en noun)
(economics) A durable good, one useful over more than one period, especially a year.
*
Antonyms
* nondurable
----
steadfast
English
Alternative forms
* stedfast (obsolete)
Adjective
(en-adj)
Fixed or unchanging; steady.
Firmly loyal or constant; unswerving.
Derived terms
* steadfastly
* steadfastness