Share WhatsApp Facebook Twitter Pinterest Email Dull Definition: something that is not shiny or sharp. Synonyms: Monotonous, Uninteresting, Boring, Dreary Antonyms: Interesting, Spirited, Enthralling, Lively 0 Related Posts Abandon – Definition, Synonyms and Antonym December 26, 2021 Abash – Definition, Synonyms and Antonym December 26, 2021 Abbreviate – Definition, Synonyms and Antonym December 26, 2021 Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Δ