noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈpaɪp driːm/
General-American:/ˈpaɪp ˌdrim/
Australia:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
A desire or idea which is unlikely to materialize, or a plan which is unlikely to work; a near impossibility.
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic
Examples
I think that his plan to become a professional athlete is a pipe dream and that he should stay in school.
Meaning relationships
Synonyms: castle in the air, pie in the sky
Antonyms: none provided
2
noun
Meaning 2
a fantastic but vain hope (from fantasies induced by the opium pipe)
Definition source: Princeton WordNet 3.0
Examples
I have this pipe dream about being emperor of the universe
Meaning relationships
Synonyms: dream
Antonyms: none provided
Broader terms: fantasy, phantasy
History
Etymology
From pipe + dream, referring to the fantasies experienced when smoking an opium pipe. Compare Old English pīpdrēam (“the sound or music of a pipe”), which is formed identically but has a different meaning.
Across languages
Translations
47 source translations are retained for this English entry.
Afrikaans:
lugkasteel
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Afrikaans:
wensdroom
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Armenian:
անիրականալի երազանք
(anirakanali erazankʻ)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Armenian:
ցնորք
(cʻnorkʻ)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Bashkir:
буш хыял
(buş)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Bulgarian:
празна надежда
(prazna nadežda)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Bulgarian:
въздушна мечта
(vǎzdušna mečta)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Catalan:
entelèquia
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Chinese Mandarin:
妄想
(wàngxiǎng)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Chinese Mandarin:
春秋大夢 /春秋大梦
(chūnqiūdàmèng)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Czech:
vzdušné zámky
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Danish:
luftkastel
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Danish:
ønskedrøm
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Dutch:
luchtkasteel
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Dutch:
wensdroom
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Esperanto:
aerkastelo
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Esperanto:
ĥimero
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Finnish:
pilvilinna
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
French:
chimère
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
French:
rêve chimérique
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
German:
Luftschloss
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
German:
Schnapsidee
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
German:
Wunschtraum
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Greek:
ονειροφαντασία
(oneirofantasía)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Greek:
ὀνειροπόληση
(oneiropólisi)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Hungarian:
ábránd
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Hungarian:
légvár
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Hungarian:
vágyálom
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Japanese:
夢物語
(yumemonogatari)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Japanese:
絵空事
(esoragoto)
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Māori:
waitara
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Norwegian:
luftslott
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Norwegian:
ønskedrøm
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Polish:
marzenie ściętej głowy
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Polish:
miraż
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Polish:
mrzonka
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Portuguese:
quimera
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Spanish:
castillo en el aire
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Spanish:
entelequia
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Spanish:
quimera
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Spanish:
sueño guajiro
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Spanish:
ensueño imposible
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Swedish:
luftslott
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Swedish:
önskedröm
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Turkish:
boş hayal
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Turkish:
hülya
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work
Welsh:
breuddwyd gwrach
— desire or idea which is unlikely to materialize, or a plan which is unlikely to work