muss
Low (chiefly North American informal usage)Informal, colloquial
Definition
Meaning
to make something untidy or disheveled, typically by handling it roughly.
To create disorder or a messy state; often used in reference to hair, clothing, or arrangements.
Linguistics
Semantic Notes
Often implies a slight, unintentional messiness rather than severe damage. Conveys a sense of casual disturbance.
Dialectal Variation
British vs American Usage
Differences
Much more common in American English. In British English, 'muss' is recognized but rarely used; alternatives like 'mess up' or 'dishevel' are preferred.
Connotations
In AmE: casual, lighthearted, often physical. In BrE: perceived as an Americanism, potentially quaint or dated.
Frequency
Primarily an American informal term. Rare in contemporary British English outside of exposure to American media.
Vocabulary
Collocations
Grammar
Valency Patterns
TRANSITIVE: Someone musses something.PHRASAL: to muss something up.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Don't muss your hair!”
- “to muss things up (to complicate or disorder a situation).”
Usage
Context Usage
Business
Virtually never used.
Academic
Not used.
Everyday
Informal contexts, often among family/friends regarding appearance.
Technical
Not used.
Examples
By Part of Speech
verb
British English
- The wind began to muss her carefully styled hair.
- Try not to muss up the documents on the desk.
American English
- He reached over to muss his little brother's hair playfully.
- Don't muss your new shirt before the party!
adverb
British English
- (Not standard)
American English
- (Not standard)
adjective
British English
- (Rare) She had a pleasantly mussed, just-woken-up look.
American English
- He liked his hair to look a little mussed, not perfect.
Examples
By CEFR Level
- The baby mussed my hair.
- Be careful not to muss the papers on my desk.
- She deliberately mussed her hair to achieve a more casual look.
- The protestors entered the orderly room and deliberately mussed up the meticulously filed documents.
Learning
Memory Aids
Mnemonic
Think of 'MUSS' as 'Makes Untidy Something's State'.
Conceptual Metaphor
ORDER IS NEATNESS / DISORDER IS MESSINESS (Physical disorder is a mussed state).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- False friend: Not related to the German modal verb 'muss' (must).
Common Mistakes
- Using it in formal writing.
- Overusing in BrE where 'mess up' is more natural.
- Confusing spelling with 'must'.
Practice
Quiz
In which context is 'muss' LEAST likely to be used appropriately?
FAQ
Frequently Asked Questions
No, it is of low frequency and is primarily used in informal American English.
Very rarely. Its primary and almost exclusive use is as a verb.
'Tousle' is often used specifically for hair and can sound slightly more literary or affectionate. 'Muss' can apply to hair, clothes, or general tidiness and is more informal/colloquial.
Yes, it is considered a variant or alteration of the word 'mess', likely originating in the 19th century in American English.