cold fish: meaning, definition, pronunciation and examples
C1/C2Informal, idiomatic, slightly pejorative.
Quick answer
What does “cold fish” mean?
A person who is unemotional, unresponsive, or lacking warmth and friendliness in their behaviour.
Audio
Pronunciation
Definition
Meaning and Definition
A person who is unemotional, unresponsive, or lacking warmth and friendliness in their behaviour.
An idiom describing a person who appears detached, reserved, and shows little or no affection, enthusiasm, or interest in social interactions. It can imply a certain aloofness or unfriendliness.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Equally understood and used in both varieties.
Connotations
The same connotation of emotional detachment and unfriendliness applies in both regions.
Frequency
Moderate and comparable frequency in informal speech and writing in both BrE and AmE.
Grammar
How to Use “cold fish” in a Sentence
[Subject] is/acts like a cold fish.[Subject] comes across as a bit of a cold fish.People think of [Person] as a cold fish.Vocabulary
Collocations
Usage
Meaning in Context
Business
Used informally to describe a colleague or manager perceived as distant and unfriendly, e.g., 'He's a brilliant strategist but a bit of a cold fish with the team.'
Academic
Rare in formal academic writing. Might appear in literary analysis or social psychology texts discussing character types.
Everyday
Common in conversational descriptions of someone's personality, e.g., discussing a date, neighbour, or relative.
Technical
Not used in technical contexts.
Vocabulary
Synonyms of “cold fish”
Vocabulary
Antonyms of “cold fish”
Watch out
Common Mistakes When Using “cold fish”
- Using it to describe a situation ('The meeting was a cold fish').
- Confusing it with 'cold-blooded' (which implies cruelty, not just emotional detachment).
- Trying to use it as an adjective ('He is very cold fish').
FAQ
Frequently Asked Questions
It is generally a criticism or a mild insult. It describes a negative personality trait (lack of warmth).
Yes, the idiom is gender-neutral. You can say 'She is a cold fish'.
An introvert may prefer less social interaction but can still be warm and friendly. A 'cold fish' specifically implies a lack of emotional expression and warmth, which is not a core trait of introversion.
No, it is an informal, idiomatic expression. In formal writing, use more standard terms like 'unemotional', 'reserved', or 'aloof individual'.
A person who is unemotional, unresponsive, or lacking warmth and friendliness in their behaviour.
Cold fish: in British English it is pronounced /ˌkəʊld ˈfɪʃ/, and in American English it is pronounced /ˌkoʊld ˈfɪʃ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “cold fish”
Learning
Memory Aids
Mnemonic
Imagine a fish from a cold, icy lake. It's stiff, unresponsive, and doesn't interact – just like an emotionally cold person.
Conceptual Metaphor
EMOTIONAL WARMTH IS PHYSICAL WARMTH / A PERSON IS AN ANIMAL. Lack of emotional warmth is metaphorically linked to low temperature. A person's character is mapped onto the perceived nature of a cold-blooded animal.
Practice
Quiz
In which context would you most likely use the idiom 'cold fish'?