half-cock
LowInformal, Figurative (especially the idiom)
Definition
Meaning
The position of a gun's hammer when it is partially raised and not fully ready to fire.
A state of being partially prepared or only halfway through a process; often implying inadequacy, lack of full readiness, or premature action.
Linguistics
Semantic Notes
Primarily used in the idiom 'go off at half-cock' (UK) or 'go off half-cocked' (US). The sense is almost always negative, criticizing a lack of preparation.
Dialectal Variation
British vs American Usage
Differences
UK English typically uses the noun form in the phrase 'go off at half-cock.' US English prefers the adjectival form 'half-cocked' in the phrase 'go off half-cocked.' The core meaning is identical.
Connotations
Identical in both varieties: unready, premature, poorly planned.
Frequency
The idiom is more common than the literal term. The literal term is now rare outside of historical or technical contexts related to firearms.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] go off at half-cock (UK)[Subject] go off half-cocked (US)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “go off at half-cock (BrE)”
- “go off half-cocked (AmE)”
Usage
Context Usage
Business
"The product launch went off at half-cock because marketing wasn't ready." Used to critique failed projects.
Academic
Rare. Might appear in historical texts about firearms or metaphorically in critical analysis.
Everyday
"Don't go off half-cocked—we need to check the facts first." Used to advise against rash action.
Technical
Specific to antique firearms, describing the mechanical safety position of a flintlock or percussion cap gun.
Examples
By Part of Speech
verb
British English
- (Not commonly used as a verb)
American English
- (Not commonly used as a verb)
adverb
British English
- (Not used as an adverb)
American English
- (Not used as an adverb)
adjective
British English
- (Primarily in noun phrase 'half-cock')
American English
- He came in with a half-cocked idea that wasted everyone's time.
Examples
By CEFR Level
- The manager warned the team not to start the project at half-cock.
- His half-cocked plan failed quickly.
- Without the necessary data, our marketing campaign went off at half-cock and missed its target.
- She dismissed his proposal as a half-cocked scheme.
- The minister's half-cocked announcement, made before consulting the cabinet, caused a significant political backlash.
- Historical re-enactors must learn the drill of bringing the musket to half-cock for safety.
Learning
Memory Aids
Mnemonic
Imagine a COCK (hammer) of a gun only at HALF its journey. It can't fire properly, just like a half-cocked plan can't succeed properly.
Conceptual Metaphor
READINESS IS A FULLY COCKED GUN / UNREADINESS IS A HALF-COCKED GUN.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate literally as 'полу-петух'. It is an idiom. Equivalent concepts: 'сделать что-то спустя рукава' (carelessly), 'начать дело, не подготовившись'.
Common Mistakes
- Using 'half-cooked' instead of 'half-cocked' (malapropism).
- Saying 'go off on half-cock' instead of 'go off *at* half-cock' (BrE).
Practice
Quiz
What does the idiom 'go off at half-cock' mean?
FAQ
Frequently Asked Questions
As an adjective (especially in AmE), it is hyphenated: 'half-cocked'. In the BrE noun phrase, it is hyphenated: 'half-cock'.
Yes, but it's now a technical/historical term for old firearms. The figurative idiom is far more common in modern language.
British English uses the noun in the phrase 'go off at half-cock'. American English uses the adjective in 'go off half-cocked'.
The core word is low frequency. The idiom is known but not among the most common idioms. It is more frequent in written and formal spoken critique.