inflexible vs brassbound

inflexible and brassbound both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inflexible	No	Yes	No	No
brassbound	No	Yes	No	No

inflexible (adjective)	brassbound (adjective)
resistant to being bent	having trim or fittings of brass
incapable of change	inflexibly entrenched and unchangeable
not making concessions
incapable of adapting or changing to meet circumstances