An antonym for dull is exciting.
When we think of the word ‘dull’, we often associate it with something that lacks interest or excitement, like a boring lecture or a mundane task. In contrast, ‘exciting’ refers to something that is lively, engaging, and draws our attention. It indicates a state of stimulation or enthusiasm that is the opposite of dullness. Thus, the word ‘exciting’ serves as a fitting antonym for ‘dull’, highlighting the difference in emotional response and engagement that these two words evoke.