Boring vs Dull

When to use each in English, with meaning, register, and examples.

Boring

Top 1,000 (very common) A1 adjective

Dull

Top 2,000 (common) B2 adjective

Most common: Boring

	Boring	Dull
Pronunciation	🇬🇧 /["/ˈbɔːrɪŋ/"]/ 🇺🇸 /["/ˈbɔːrɪŋ/"]/	🇬🇧 /["/dʌl/"]/ 🇺🇸 /["/dʌl/"]/
Meaning	Not interesting or exciting.	Not interesting or exciting; boring.
Example	The movie was so boring that I almost fell asleep.	The knife is too dull to cut through the cardboard.
Register	Neutral	Neutral
How common	Top 1,000 (very common)	Top 2,000 (common)
CEFR level	A1	B2
Part of speech	adjective	adjective
Collocations	be, look, seem, extremely, fairly, very, for, boring old	appear, be, look, extremely, fairly, very
Antonyms	exciting, interesting, engaging	exciting, interesting, lively
Common mistakes	Using 'bore' instead of 'boring' as an adjective., Saying 'boring to me' instead of 'boring for me'., Confusing 'boring' with 'bored' when describing feelings.	Confused with 'dull' vs 'dole', Using 'dull' to describe food that is flavorless (use 'bland'), Saying 'more dull' instead of 'duller'
Usage notes	Use 'boring' to describe something that lacks interest. It’s suitable in most contexts, but may feel too blunt in formal situations. Instead, consider alternatives like 'uninteresting' or 'tedious' when speaking to someone in a professional setting.	Use 'dull' to describe something boring or lacking excitement. It can refer to activities, objects, or even periods in time. Avoid using it for formal or positive contexts.

See it in real clips

WOMAN: Am I boring you?

This doesn't sound like the usual, mindless, boring, gettin'-to-know-you chitchat.

And it was so boring.

WOMAN: Am I boring you?

This doesn't sound like the usual, mindless, boring, gettin'-to-know-you chitchat.

Boring

Sherlock › S1 E1

- Girlfriends, boyfriends. - Yes, well, as I was saying, dull.

Dull

Frequently asked questions: Boring vs Dull

What's the difference between Boring and Dull?

Boring: Not interesting or exciting. Dull: Not interesting or exciting; boring.

Which is more common: Boring and Dull?

Boring is the most common in everyday English.

Which is more advanced: Boring and Dull?

Dull is the highest level, at B2, on the CEFR scale.

Are Boring and Dull the same CEFR level?

Boring: A1, Dull: B2 on the CEFR scale.

What part of speech are Boring and Dull?

Boring: adjective, Dull: adjective.

Can you show an example of each?

Boring: The movie was so boring that I almost fell asleep. Dull: The knife is too dull to cut through the cardboard.

Can I use Boring and Dull interchangeably?

Not always. Boring and Dull are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.