insipid

equivalents

tasteless

uninteresting

synonyms

arid

banal

bare

barren

betwixt and between

blah

bland

bland

blank

bleached

bloodless

boring

bromidic

changeable

characterless

characterless

clear

cold

colorless

colorless

colourless

common

commonplace

corny

dead

devoid

dilute

diluted

dismal

distasteful

draggy

drearisome

dreary

driveling

dry

dryasdust

dull

dull

dusty

effete

elephantine

empty

etiolated

fade

fair

fair to middling

fairish

fatuous

featureless

feeble

etymologically-related-terms

insipient

same-contexts

bland

colorless

commonplace

disagreeable

lifeless

meaningless

monotonous

prosaic

stale

stupid

tame

tasteless

tiresome

trite

trivial

uninteresting

unmeaning

vapid