toneless

deadpan detached dispassionate impassive matter-of-fact unemotional

blank chill cold cold fish cold-blooded cool cool cat distant flat frigid glacial heartless icy immovable impersonal in cold blood indifferent laid back nonemotional nowhere poker face remote reserved stony-eyed thick-skinned unimpassioned with straight face

biased emotional feeling passionate responsive

demonstrative sympathetic

lax sloppy

drooping enervated flaccid flexuous floppy gone to seed hanging irresilient limp loose out of condition out of shape pendulous rusty sagging shapeless slack soft tender unfit yielding

firm lean slim taut thin tight

muted

dull echoing flat low muffled mute resounding ringing roaring rumbling sounding vibrating

cavernous clangorous ghostly reverberant sepulchral thunderous vibrant

clear elevated sharp

convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful

drab dreary everyday monotonous mundane plodding tedious uninteresting

blah common commonplace monotone ordinary pedestrian routine treadmill vanilla

arid banausic bromidic dim dime a dozen dull garden-variety insipid lifeless prosy repetitious tiresome unvaried wearisome white-bread

exciting interesting

abnormal different exceptional extraordinary rare uncommon unusual

busy eventful lively

abstract achromatic bland colorless drab expressionless indeterminate indistinct indistinguishable intermediate undefined vague vanilla

boring dreary dull ho-hum humdrum plodding repetitious repetitive tedious tiresome

banausic blah colorless droning dull as dishwater flat flat as pancake monotone nothing pedestrian prosaic puts one to sleep recurrent reiterated samely sing-song soporific treadmill unchanged unchanging uniform uninflected uninteresting unrelieved unvaried unvarying wearisome wearying

bright clear eventful exciting interesting light lively

changing ever-changing variable versatile

vague

abstract achromatic drab intermediate vanilla

colorless expressionless indeterminate indistinct indistinguishable undefined

bright loud strong