costain: meaning, definition, pronunciation and examples
LowFormal, Professional, Technical (Business/Finance)
Quick answer
What does “costain” mean?
To share the financial burden or responsibility for something, typically a project or venture, by contributing money or resources.
Audio
Pronunciation
Definition
Meaning and Definition
To share the financial burden or responsibility for something, typically a project or venture, by contributing money or resources.
To jointly underwrite, fund, or guarantee; to share liability for costs or potential losses with another party. In broader usage, it can imply a cooperative partnership in a risky or expensive endeavour.
Dialectal Variation
British vs American Usage
Differences
Usage is identical in terms of definition. Spelling is consistent. The term may be encountered more frequently in formal British commercial contexts, but it is not exclusive to any variety.
Connotations
Neutral connotation of a formal business arrangement. No regional connotative differences.
Frequency
Very low frequency in both varieties, limited to specific professional domains.
Grammar
How to Use “costain” in a Sentence
[Organization 1] + costain + [Project/Financing] + with + [Organization 2][Organization] + is costained + by + [Parties]Vocabulary
Collocations
Examples
Examples of “costain” in a Sentence
verb
British English
- Two major studios will costain the new film franchise.
- The development was costained by a consortium of banks.
- They refused to costain the risky venture.
American English
- The network agreed to costain the miniseries with a production company.
- The loan was costained by three financial institutions.
- We are seeking a partner to costain this research initiative.
adverb
British English
- The project was funded costain by the two firms. (Rare)
American English
- The venture was undertaken costain. (Rare)
adjective
British English
- As a costaining party, our liability is limited.
- The costain agreement was signed last week.
American English
- They are listed as a costaining producer in the credits.
- The costain arrangement mitigates our individual risk.
Usage
Meaning in Context
Business
Used in contracts and agreements to describe shared financial responsibility for a project, loan, or investment.
Academic
Rare; might appear in case studies or papers on corporate finance, film production, or joint ventures.
Everyday
Virtually never used in casual conversation.
Technical
Standard term in project finance, film/television production credits, and syndicated loan agreements.
Watch out
Common Mistakes When Using “costain”
- Using it intransitively (e.g., 'They costain'). It requires an object.
- Confusing it with 'contain'.
- Using it for simple cost-sharing between individuals (too informal for the word).
FAQ
Frequently Asked Questions
No, it is a low-frequency word used almost exclusively in formal business, finance, and media production contexts.
It would sound very unnatural and overly formal. For personal contexts, use phrases like 'split the cost', 'go halves', or 'share the bill'.
'Costain' emphasizes the sharing of the financial burden and risk, often equally or contractually. 'Sponsor' can imply one party providing funds in exchange for promotion or association, not necessarily sharing risk with another funder.
It is primarily a transitive verb (e.g., 'They costain the project'). It can also be used attributively as an adjective (e.g., 'a costain agreement').
To share the financial burden or responsibility for something, typically a project or venture, by contributing money or resources.
Costain is usually formal, professional, technical (business/finance) in register.
Costain: in British English it is pronounced /kəʊˈsteɪn/, and in American English it is pronounced /koʊˈsteɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To have skin in the game (related concept, informal)”
Learning
Memory Aids
Mnemonic
Think: COmpanies STAIN their balance sheets together by sharing the COST.
Conceptual Metaphor
BUSINESS RISK IS A BURDEN (to be shared). FINANCIAL SUPPORT IS A PROP (jointly held).
Practice
Quiz
In which context is 'costain' most appropriately used?