FluentPlex

dull

/dʌl/ verb C2
  1. To render dull; to remove or blunt an edge or something that was sharp. (transitive) · Years of misuse have dulled the tools.
  2. To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy. (transitive) · He drinks to dull the pain.
  3. To lose a sharp edge; to become dull. (intransitive) · A razor will dull with use.
  4. To render dim or obscure; to sully; to tarnish.

He/she/it dulls · Past dulled · Past participle dulled · -ing form dulling

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Verb forms

Base form
dull
He/she/it
dulls
Past
dulled
Past participle
dulled
-ing form
dulling

From the library

“We called him Tortoise because he taught us,” said the Mock Turtle angrily: “really you are very dull!”
Alice's Adventures in Wonderland, p. 73 · B2
So she sat on, with closed eyes, and half believed herself in Wonderland, though she knew she had but to open them again, and all would change to dull reality—the grass would be only rustling in the wind, and the pool rippling to the waving of the reeds—the rattling teacups would change to tinkling sheep-bells, and the Queen’s shrill cries to the voice of the shepherd boy—and the sneeze of the baby, the shriek of the Gryphon, and all the other queer noises, would change (she knew) to the confused clamour of the busy farm-yard—while the lowing of the cattle in the distance would take the place of the Mock Turtle’s heavy sobs.
Alice's Adventures in Wonderland, p. 97 · B2
This one delectable evening culled from each dull seventy was to Chandler a source of renascent bliss.
Six stories from The Four Million, p. 27 · C1
The dinner would no doubt be a wonderful experience thrown into the dull routine of the girl’s life; and her lively appreciation of it would add to his own triumph and pleasure.
Six stories from The Four Million, p. 29 · C1

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.