B1not interesting or exciting in any way: She wrote dull, respectable articles for the local newspaper.He's pleasant enough, but deadly dull.→ SynonymboringTedious and uninspiringdully
/ˈdʌl.li/adverb›The car lights glowed dully through the mist.My arm still ached dully.Pain and painfulDarkness and becoming darkPale and colourless and causing colour to fadedullness