pipe dream
C1Informal (often figurative and slightly critical or dismissive).
Definition
Meaning
An unrealistic or impossible hope, plan, or fantasy; something pleasant to imagine but unlikely to happen.
A pleasant, elaborate vision or ambition that is completely detached from practical reality or feasibility; an outcome one can only imagine wistfully but cannot achieve.
Linguistics
Semantic Notes
Often carries a connotation of pleasant but naive wishful thinking. Implies the idea is pleasant to contemplate but fundamentally impractical. Can be used with slight sympathy, mild mockery, or outright dismissal.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. The term is used and understood identically in both varieties. Slight potential for spelling difference if hyphenated (pipe-dream).
Connotations
Identical in both dialects. Both associate it with impractical, fanciful ideas.
Frequency
Comparable frequency in both BrE and AmE. Slightly more common in written than in casual spoken English.
Vocabulary
Collocations
Grammar
Valency Patterns
That + be + (just/only/nothing but) + a pipe dreamTo dismiss/consider something a pipe dreamHis/Her/Their + idea/plan/ambition + is + a pipe dreamVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Castles in Spain”
- “Pie in the sky”
- “A castle in the air”
Usage
Context Usage
Business
'Achieving 50% market share in a year is a pipe dream without massive investment.' Used to critique unrealistic financial projections or business plans.
Academic
'The idea of a unified theory of everything remains, for now, a scientific pipe dream.' Used to describe highly ambitious but currently unattainable theoretical goals.
Everyday
'Thinking you can get a flat in central London on that salary is a pipe dream.' Used in conversation to gently (or not so gently) point out an impractical hope.
Technical
Rare in highly technical contexts except in a figurative, evaluative sense about project feasibility.
Examples
By Part of Speech
verb
British English
- He spent his youth pipe-dreaming about becoming a rock star.
American English
- They were just pipe-dreaming about winning the lottery instead of saving money.
adjective
British English
- His pipe-dream schemes never got past the drawing board.
American English
- The candidate's pipe-dream proposals were dismissed by analysts.
Examples
By CEFR Level
- Living on the moon is a pipe dream.
- Travelling the world with no money sounds like a pipe dream.
- The politician's promise to eliminate all taxes was widely dismissed as a pipe dream.
- For decades, commercially viable fusion power was considered a pipe dream, but recent advances have made it a distant possibility.
Learning
Memory Aids
Mnemonic
Imagine someone smoking a pipe (old opium pipe), lost in a pleasant but unreal dream. The phrase captures that state of fanciful, detached imagination.
Conceptual Metaphor
AN UNREALISTIC IDEA/HOPE IS A DREAM INDUCED BY SMOKING (originally opium).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid literal translation as 'трубная мечта' or 'мечта курильщика'. This is nonsensical.
- The closest equivalents are 'несбыточная мечта', 'несбыточные фантазии', or the idiom 'воздушные замки'.
Common Mistakes
- Using it for a simple, achievable dream or goal (misunderstanding the 'impossible' connotation).
- Confusing it with 'daydream', which is more neutral and can be brief or involuntary.
- Spelling as one word ('pipedream') is less common but acceptable; hyphenated form ('pipe-dream') is also used.
Practice
Quiz
Which of the following best describes a 'pipe dream'?
FAQ
Frequently Asked Questions
It originates from the late 19th century and refers to the dream-like visions experienced by smokers of opium pipes. It was originally a literal term that became a metaphor for any fanciful, unreal idea.
It is not inherently harshly negative, but it is dismissive. It suggests an idea is not grounded in reality. It can be used sympathetically ('It's a nice pipe dream') or critically ('That's a ridiculous pipe dream').
It is generally considered informal or figurative. In very formal academic or technical writing, alternatives like 'unrealistic aspiration', 'utopian fantasy', or 'chimera' might be more appropriate, depending on context.
A 'dream' can be an ambition that is potentially achievable. A 'pipe dream' specifically implies impossibility or extreme impracticality given current realities. All pipe dreams are dreams, but not all dreams are pipe dreams.
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