dull
B1Neutral to formal. Negative connotation.
Definition
Meaning
Lacking interest or excitement; boring; not sharp or bright.
Describes a person's mental slowness, a sound that's muffled, a pain that's not sharp, a day that's overcast, or a knife that's blunt.
Linguistics
Semantic Notes
Primarily an adjective. Can describe objects (a dull blade), senses (dull pain, dull sound), intelligence (a dull mind), weather (a dull day), and events (a dull lecture). Has multiple shades of meaning but always implies a lack of intensity, sharpness, or liveliness.
Dialectal Variation
British vs American Usage
Differences
Meaning is identical. Pronunciation differs slightly (see IPA). Verb usage ('to dull') is equally common.
Connotations
Identical. Strongly negative for describing a person's intelligence (can be offensive).
Frequency
Equally frequent in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
SVO (to dull something)Be-ADJ (The lecture was dull.)ADJ-N (a dull ache)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Never a dull moment”
- “As dull as dishwater”
Usage
Context Usage
Business
Describes a slow market or unprofitable quarter.
Academic
Criticizes unoriginal work or a simplistic argument.
Everyday
Most common: describes boring activities, overcast weather, or mild pain.
Technical
In medicine: 'dull pain' vs. 'sharp pain'. In metallurgy: a non-reflective finish.
Examples
By Part of Speech
verb
British English
- The medication should dull the pain.
- Years of factory work had dulled his senses.
American English
- The bad news dulled our enthusiasm.
- Regular sharpening prevents the blade from dulling.
adverb
British English
- The metal was painted a dull grey.
American English
- The lecture droned on dully for two hours.
Examples
By CEFR Level
- The weather is dull today.
- My pencil is dull, I need to sharpen it.
- I have a dull ache in my back.
- The film was surprisingly dull.
- The constant rain dulled their enthusiasm for the trip.
- His eyes had a dull, listless look.
- The report was criticised for its dull prose and lack of original insight.
- A pall of dull conformity had settled over the department.
Learning
Memory Aids
Mnemonic
DULL sounds like 'doll' – a doll's eyes can seem lifeless and uninteresting.
Conceptual Metaphor
INTEREST IS LIGHT/BRIGHTNESS (a dull topic lacks 'sparkle' or 'illumination').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'тупой' when describing a person (often offensive). More neutral for objects. 'Dull pain' is 'тупая боль' (correct), but 'dull student' is a strong, direct insult.
Common Mistakes
- Using 'dull' to mean 'stupid' in polite company.
- Saying 'The knife is dull' (correct) vs. 'The knife is blunt' (also correct).
Practice
Quiz
Which of the following is NOT a typical meaning of 'dull'?
FAQ
Frequently Asked Questions
It can be. Calling a person 'dull' is a direct insult implying they are boring or stupid. Describing an object or event as 'dull' is simply critical.
They are often synonyms for uninteresting things. 'Dull' has a wider range, also describing physical properties (blunt, muffled, overcast). 'Boring' applies almost exclusively to a lack of interest.
Yes. 'To dull' means to make something less sharp, intense, or vivid (e.g., 'Time dulled the memory').
It rhymes with 'hull' and 'gull'. The vowel is /ʌ/ as in 'cup'.