poison pill: meaning, definition, pronunciation and examples
C1Formal/Business/Financial Journalism
Quick answer
What does “poison pill” mean?
A strategy or tactic, typically in business, designed to make a company less attractive or more difficult to take over by an unwanted suitor.
Audio
Pronunciation
Definition
Meaning and Definition
A strategy or tactic, typically in business, designed to make a company less attractive or more difficult to take over by an unwanted suitor.
Any defensive measure that is extreme or self-destructive if triggered, used to deter an unwelcome action, plan, or takeover. Can be used metaphorically in other domains (e.g., politics, law).
Dialectal Variation
British vs American Usage
Differences
The term is identical in form and core meaning. Usage is more frequent in American financial contexts due to the historical prevalence of such tactics in US corporate law.
Connotations
Both varieties carry negative connotations of aggressive, last-ditch defense. In the UK, it may be associated more with US-style capitalism.
Frequency
Higher frequency in American English, but well-understood and used in British financial and business English.
Grammar
How to Use “poison pill” in a Sentence
The board adopted a poison pill [to deter the takeover].The poison pill was triggered [by the acquirer's bid].They used a poison pill [as a defence].Vocabulary
Collocations
Examples
Examples of “poison pill” in a Sentence
adjective
British English
- The poison-pill provision was highly controversial.
American English
- They passed a poison-pill amendment to the corporate bylaws.
Usage
Meaning in Context
Business
The primary context. 'The company's board implemented a poison pill to prevent the hostile acquisition.'
Academic
Used in finance, economics, and business law papers analysing corporate governance and M&A.
Everyday
Rare. May be used metaphorically: 'His contract has a poison pill clause that makes it too expensive to fire him.'
Technical
Specific legal/financial mechanism defined in corporate charters or by-laws.
Vocabulary
Synonyms of “poison pill”
Strong
Neutral
Weak
Vocabulary
Antonyms of “poison pill”
Watch out
Common Mistakes When Using “poison pill”
- Using it as a verb (e.g., 'They poison-pilled the deal' – non-standard). Confusing it with a literal toxic substance. Using it in non-defensive contexts.
FAQ
Frequently Asked Questions
Yes, in many jurisdictions like the US and UK, poison pills are legal corporate defense mechanisms, though their use is often scrutinized by regulators and shareholders.
It is debated. Proponents argue it gives the board leverage to negotiate a better price. Critics say it protects incompetent management and deprives shareholders of a premium offer.
Yes, metaphorically. In law, a contract might have a 'poison pill' clause to penalize breaking it. In politics, a bill might include a 'poison pill' amendment designed to make it unpalatable to pass.
Typically, it's triggered when an acquiring entity buys a certain percentage of the company's shares (e.g., 10-20%) without board approval, diluting the acquirer's stake by issuing new shares to other shareholders at a discount.
A strategy or tactic, typically in business, designed to make a company less attractive or more difficult to take over by an unwanted suitor.
Poison pill is usually formal/business/financial journalism in register.
Poison pill: in British English it is pronounced /ˈpɔɪzn̩ ˌpɪl/, and in American English it is pronounced /ˈpɔɪz(ə)n ˌpɪl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A poison pill clause.”
Learning
Memory Aids
Mnemonic
Imagine a company as a castle. To stop an invading army (hostile takeover), the defenders threaten to poison their own well (the company's value), making the castle worthless to the attacker.
Conceptual Metaphor
BUSINESS IS WAR; A COMPANY IS A FORTRESS; A DEFENSIVE TACTIC IS A POISON.
Practice
Quiz
What is the primary purpose of a 'poison pill' in business?