noun · verb · 3 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:/ˌəʊ̯.vəˈpɹɛʃ.ə/
General-American:/ˌoʊ.vɚˈpɹɛʃ.ɚ/
US:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
excess or markedly elevated pressure, especially a transient high pressure due to a shock wave
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To subject to a high pressure
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a transient air pressure greater than the surrounding atmospheric pressure
Definition source: Princeton WordNet 3.0
Examples
the overpressure of the blast kills by lethal concussion
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: atmospheric pressure, air pressure, pressure
History
Etymology
Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- English pressure English overpressure From over- + pressure.
Across languages
Translations
8 source translations are retained for this English entry.
Bulgarian:
свръхналягане
(svrǎhnaljagane)
— excess or markedly elevated pressure
Czech:
přetlak
— excess or markedly elevated pressure
Finnish:
ylipaine
— excess or markedly elevated pressure
German:
Überdruck
— excess or markedly elevated pressure
Italian:
sovrappressione
— excess or markedly elevated pressure
Norwegian:
overtrykk
— excess or markedly elevated pressure
Spanish:
sobrepresión
— excess or markedly elevated pressure
Swedish:
övertryck
— excess or markedly elevated pressure