Select the most appropriate ANTONYM of the given word.

Dull

Bright

The most appropriate antonym of the given word dull is bright.

• Dull means not bright or shining.
• Bright means shining or radiant.

The other words listed are not antonyms of dull.

• Coloured means having colour.
• Clever means intelligent or quick-witted.
• Youthful means having the qualities of youth, such as freshness and vigour.