march hare
C1literary, idiomatic, informal
Definition
Meaning
A hare during its breeding season in early spring, noted for its excited, erratic, and seemingly mad behaviour.
A person who behaves in an excitable, irrational, or frantic manner, reminiscent of the hare's behaviour in spring. Used primarily in the fixed phrase "mad as a March hare."
Linguistics
Semantic Notes
Almost never used outside the idiom "mad as a March hare." It is a fixed, metaphorical expression. The term refers to the actual observed behaviour of hares (boxing, leaping erratically) during their March breeding season, which was historically interpreted as madness.
Dialectal Variation
British vs American Usage
Differences
The idiom "mad as a March hare" is known and used in both varieties, but it is slightly more prevalent in British English due to its origins in British natural history and literature (e.g., Lewis Carroll).
Connotations
Conveys a sense of endearing, chaotic eccentricity rather than clinical insanity. The British use of "mad" aligns with this connotation.
Frequency
Low frequency in both, but culturally more resonant in the UK.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] be as mad as a March hare.[Subject] is behaving like a March hare.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “mad as a March hare”
Usage
Context Usage
Business
Rare. Possibly used humorously: "The sales director has been running around like a March hare since the launch."
Academic
Very rare outside literary or cultural studies discussing idiom origins or Lewis Carroll.
Everyday
Used in informal speech for colourful description: "Don't mind him, he's mad as a March hare."
Technical
Not used.
Examples
By Part of Speech
adjective
British English
- His March-hare antics amused the children.
- She had a March-hare look in her eyes.
American English
- It was a March-hare scheme, completely bonkers.
- He's in a March-hare mood today.
Examples
By CEFR Level
- In the story, the March hare is having a crazy tea party.
- My uncle is as mad as a March hare!
- After three coffees, she was darting about the office like a March hare.
- The politician's March-hare behaviour during the debate did not inspire confidence.
- The artist, often described as being as mad as a March hare, produced his most profound work in those frenzied spring months.
- His March-hare enthusiasm for the project was infectious, though wildly disorganised.
Learning
Memory Aids
Mnemonic
Imagine a HARE in the month of MARCH, boxing shadows and leaping wildly—that's the 'March hare' acting MAD.
Conceptual Metaphor
ERRATIC BEHAVIOUR IS THE BEHAVIOUR OF A MATING HARE.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid translating "March" as "марш" (procession/command). It is the month март.
- The phrase is idiomatic; a literal translation "бешеный мартовский заяц" is understood but the English idiom is fixed.
Common Mistakes
- Using 'March hare' without 'mad as a...' (e.g., 'He's a March hare' is non-idiomatic).
- Confusing it with 'Mad Hatter' (a related but separate character from Alice in Wonderland).
- Writing 'March Hare' with capital letters when not referring to the specific character.
Practice
Quiz
What is the meaning of the idiom 'mad as a March hare'?
FAQ
Frequently Asked Questions
Yes, it refers to a real hare (Lepus europaeus) during its March breeding season, whose behaviour includes boxing and leaping erratically.
Almost never. It is almost exclusively used in the fixed simile 'as mad as a March hare.' Using it alone sounds incomplete or like a reference to the Lewis Carroll character.
Both are characters from Alice's Adventures in Wonderland, but 'mad as a March hare' is an older idiom based on natural history. The 'Mad Hatter' refers to hat makers who suffered mercury poisoning, causing neurological symptoms.
It is known and understood but is considered a somewhat literary or colourful idiom. It is not used in everyday conversation as frequently as simpler terms like 'crazy' or 'wild.'