noun

dullness

dullness, boredom, lack of sharpness, lack of brightness

The dullness of the knife made it hard to cut.

The dullness of the knife made it hard to cut.

He complained about the dullness of his daily routine.

He complained about the dullness of his daily routine.

The dullness of the paint color was disappointing.

The dullness of the paint colour was disappointing.

the dullness of ((sth.)) the quality of being boring or not sharp in relation to (sth.) The dullness of the lecture made me sleepy.

Synonyms: boredom, monotony, flatness; Antonyms: sharpness, brightness, excitement

From the adjective 'dull' plus the suffix '-ness', which forms nouns indicating a state or quality.

Think of the quality of being 'dull'. A dull knife lacks sharpness, a dull film causes boredom, and a dull colour lacks brightness. '-ness' turns the idea into a noun.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.