What does ‘in a nutshell’ mean?
To “in a nutshell” means to in a brief summary. Brewer's traces the image to a classical anecdote: the Iliad written so small it could fit inside a walnut shell, cited by Pliny the Elder.
Origin
- Brewer's traces the image to a classical anecdote: the Iliad written so small it could fit inside a walnut shell, cited by Pliny the Elder.
How to use it
- Standard phrase before a short summary.
- Example: In a nutshell, we're merging with our competitor.
Source:
Last verified: 2026-07-18
- Definitions and origins are drawn from public-domain reference works, primarily Brewer's Dictionary of Phrase and Fable (1898), with modern usage notes clearly marked.