dull Synonyms - page 4
unvaried
uncolored
uncoloured
uncomprehending
uncreative
unimaginative
uninspired
unexpressive
wooden
workaday
worn-out
unenlightened
unanimated
unembellished
gunsmithing
empty-headed
desensitise
witless
wishy-washy
whiten
unsaturated
usual
vacant
vacuous
vanilla
vapid
wearing
weary
wearying
desensitize
tone down
unattractive
savourless
washed-out
boneheaded
thickheaded
wooden-headed
ho-hum
unilluminated
unlit
bromidic
flavourless
flavorless
blah
well-worn
anaesthetise
anesthetize
unornamented
dopey
wash out