bland vs unstimulating

bland and unstimulating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bland	No	Yes	No	No
unstimulating	No	Yes	No	No

bland (adjective)	unstimulating (adjective)
smoothly agreeable and courteous with a degree of sophistication	not stimulating
lacking taste or flavor or tang
lacking stimulating characteristics; uninteresting