inactive vs dull

inactive and dull both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inactive	No	Yes	No	No
dull	No	Yes	Yes	No

inactive (adjective)	dull (adjective)
(military) not involved in military operations	not having a sharp edge or point
not active physically or mentally	emitting or reflecting very little light
(pathology) not progressing or increasing; or progressing slowly	lacking in liveliness or animation
lacking activity; lying idle or unused	not keenly felt
lacking in energy or will	darkened with overcast
(of e.g. volcanoes) not erupting and not extinct	(of business) not active or brisk
not exerting influence or change	blunted in responsiveness or sensibility
not engaged in full-time work	being or made softer or less loud or clear
not in physical motion	slow to learn or understand; lacking intellectual acuity
(chemistry) not participating in a chemical reaction; chemically inert	not clear and resonant; sounding as if striking with or against something relatively soft
	(of color) very low in saturation; highly diluted
	so lacking in interest as to cause mental weariness

inactive (verb)	dull (verb)
	become dull or lusterless in appearance; lose shine or brightness
	make less lively or vigorous
	become less interesting or attractive
	make dull in appearance
	make dull or blunt
	deaden (a sound or noise), especially by wrapping
	make numb or insensitive