Borrowed from Latin blandus (“pleasant, flattering”).
adj
Having a soothing effect; not irritating or stimulating.
“a bland oil”
“a bland diet”
Lacking in taste or flavor.
“The coffee was bland.”
Lacking in vigor.
“First and foremost, alternative country artists generally claim to reject mainstream country music as musically indistinguishable from bland pop music, as lyrically superficial, and as having no artis”
figurativelyLacking interest; boring; dull.
“bland comment”
“He's reading Balzac and knocking back Prozac / It's a helping hand that makes you feel wonderfully bland”
archaicMild; soft, gentle, balmy; smooth in manner; suave.
“Where didst thou find, young Bard, thy sounding lyre? / Where the bland accent, and the tender tone?”
““A tight little craft,” was Austin’s invariable comment on the matron;[…]. ¶ Near her wandered her husband, orientally bland, invariably affable, and from time to time squinting sideways, as usual, in”