Pneumatic

//n(j)uːˈmæ.tɪk// adj, noun

adj, noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    A vehicle, such as a bicycle, whose wheels are fitted with pneumatic tyres. dated
  2. 2
    In the gnostic theologian Valentinus' triadic grouping of man, the highest type; a person focused on spiritual reality (the other two being hylic and psychic).
Adjective
  1. 1
    Of, relating to, or resembling air or other gases
  2. 2
    Of or relating to pneumatics
  3. 3
    Powered by, or filled with, compressed air

    "a pneumatic instrument or engine"

  4. 4
    Having cavities filled with air

    "pneumatic cells or bones"

  5. 5
    Spiritual; of or relating to the pneuma
Show 1 more definition
  1. 6
    well-rounded; full-breasted; bouncy

    "Her almost pneumatic bust tightened itself, and she was quite prepared to say uncharitable things, as she saw Felicia enter."

Adjective
  1. 1
    of or relating to or using air (or a similar gas) wordnet

Synonyms

All synonyms
aereousaerialaeriformaerodynamicaerographicaerologic

Example

More examples

"Grishkin is nice: her Russian eye is underlined for emphasis; uncorseted, her friendly bust gives promise of pneumatic bliss."

Etymology

From Latin pneumaticus, from Ancient Greek πνευματικός (pneumatikós, “relating to wind or air”), from πνεῦμα (pneûma, “wind, air, breath, spirit”), from πνέω (pnéō, “I blow, breath”).

Related phrases

electro-pneumaticpneumatic bonepneumatic devicepneumatic drillpneumatic postpneumatic troughcompressed airfull breastedwell rounded

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.