big one: meaning, definition, pronunciation and examples
B2Informal
Quick answer
What does “big one” mean?
The most significant, important, or sizable item in a category or context.
Audio
Pronunciation
Definition
Meaning and Definition
The most significant, important, or sizable item in a category or context.
Used figuratively to refer to a major event, achievement, deal, or problem; also used as a euphemism for death or a significant loss.
Dialectal Variation
British vs American Usage
Differences
No significant syntactic differences. The phrase is equally common and understood in both varieties. The word 'one' may be more frequently elided in US speech (e.g., 'That's a big one!').
Connotations
Similar connotations in both dialects: importance, significance, or impressiveness (either positive or negative).
Frequency
Slightly more frequent in American English in business/sports contexts (e.g., 'the big one' for a major deal or championship).
Grammar
How to Use “big one” in a Sentence
[determiner] + big one[verb] + the big one[preposition] + the big oneVocabulary
Collocations
Usage
Meaning in Context
Business
Refers to a major contract, client, or transaction. 'After months of negotiation, we finally closed the big one.'
Academic
Rare in formal writing. May appear in informal speech to refer to a major exam, thesis, or research project.
Everyday
Common for referring to a large object (e.g., a wave, fish, piece of cake), a major life event (wedding, birth), or a significant problem.
Technical
In seismology, refers to a predicted major earthquake. In fishing, refers to a large catch.
Vocabulary
Synonyms of “big one”
Strong
Neutral
Weak
Vocabulary
Antonyms of “big one”
Watch out
Common Mistakes When Using “big one”
- Using it with a plural verb (e.g., 'The big one are coming' - should be 'is').
- Omitting the article 'the' when referring to a specific, known item (e.g., 'We missed big one' should be 'We missed the big one').
FAQ
Frequently Asked Questions
Yes, it is primarily used in informal and conversational contexts. In formal writing, more specific terms like 'primary objective', 'major contract', or 'significant event' are preferred.
Yes, though usually in a specific context, often humorous or within a group. For example, in a family: 'Which one is your brother?' 'He's the big one over by the table.' It typically refers to physical size in this case.
'A big one' refers to any single large/important item within a category. 'The big one' is definite and specific; it implies there is one pre-eminent, known, or anticipated item that is the most significant.
Broadly, yes. The core meaning and usage are identical. Minor differences exist in frequency of elision ('one') and in specific cultural references (e.g., 'the big one' for an earthquake is more an American usage due to the San Andreas Fault).
The most significant, important, or sizable item in a category or context.
Big one: in British English it is pronounced /ˌbɪɡ ˈwʌn/, and in American English it is pronounced /ˌbɪɡ ˈwʌn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “The big one (a major earthquake, especially on the San Andreas Fault)”
- “Go for the big one”
- “That's the big one!”
- “Afraid of the big one (death)”
Learning
Memory Aids
Mnemonic
Imagine a row of cupcakes and one is giant. That's the BIG ONE. It stands out in size and importance just like the phrase denotes.
Conceptual Metaphor
IMPORTANCE IS SIZE / SIGNIFICANCE IS PHYSICAL MAGNITUDE.
Practice
Quiz
In which context is 'the big one' LEAST likely to be used?