monotonous
adjective
[ məˈnɒt(ə)nəs ]
• dull, tedious, and repetitious; lacking in variety and interest.
• "the statistics that he quotes with monotonous regularity"
Similar:
tedious,
boring,
dull,
uninteresting,
unexciting,
wearisome,
tiresome,
repetitive,
repetitious,
unvarying,
unchanging,
unvaried,
lacking variety,
without variety,
humdrum,
ho-hum,
routine,
mechanical,
mind-numbing,
soul-destroying,
prosaic,
run-of-the-mill,
uneventful,
unrelieved,
dreary,
plodding,
colourless,
featureless,
dry as dust,
uniform,
monochrome,
deadly,
samey,
dullsville,