Synonyms for duller in English

Antonyms

• shiny
• active
• bright
• brilliant
• clear
• energetic
• exciting
• fast
• intelligent
• interesting
• keen
• lively
• luminous
• lustrous
• pointed
• quick
• sharp
• smart
• spirited
• vivacious
• acerate
• acerose
• acicular
• active person
• always lively
• antidazzle
• beamy
• bright coloured
• clarion
• cuspidate
• day-glo
• dead clever
• extremely smart
• fluorescent
• mucronate
• nitid
• ...