Word.ws English Dictionary

underoxygenated

underoxygenated adjective: having insufficient oxygen. Also the simple past and past participle of underoxygenate.

Adjective

underoxygenated (comparative more underoxygenated, superlative most underoxygenated)

  1. Having insufficient oxygen.
    • This concept assumes that all underoxygenated blood in the arteries comes from a true shunt, a passage through the lungs with no oxygenation.1983, William E. Neville, Intensive Care of the Surgical Cardiopulmonary Patient, page 182
    • We speculate that applying pressure to an underoxygenated sample of YBa₂Cu₃O_(7-y) with oxygen defects may reduce the time that the sample needs to be annealed at room temperature to cause a given T_c increase.1992, J.S. Schilling, S. Klotz, “The Influence of High Pressure on the Superconducting and Normal Properties of High Temperature Superconductors”, in Donald M Ginsberg, editor, Physical Properties Of...
    Antonyms:
    overoxygenated
  2. (figuratively) Lacking vitality; lackluster.
    • Near-synonyms: anemic, enervated
    • Louis by this time was eighteen, of medium height, as thin as all overworked, underfed, underoxygenated Lycée boys, with large gray eyes that were rarely raised, a long pale face, a long thin nose, a small thin-lipped mouth.1916, Gertrude Atherton, “The Sacrificial Altar”, in Harper's Monthly Magazine, volume 133, page 333
    Synonyms:
    anemic, enervated

Also used as

underoxygenated is also the simple past and past participle of underoxygenate.

Examples of underoxygenated in a sentence

  • Researchers are reporting what I've long suspected—that most people are underoxygenated all day long.2007, Robert K. Cooper, Leslie L. Cooper, Flip the Switch, Lose the Weight, page 72:
  • Very obvious diacetyl flavor may indicate other problems, such as extremely warm fermentation temperatures, unhealthy yeast, underoxygenated wort, or bacterial contamination.2008, Marty Nachel, Homebrewing For Dummies, page 322:
  • Excessive irrigation may lead to root hypoxia (underoxygenated) or anoxic (no oxygen) conditions (Vartapetian et al., 2014) resulting in physiological stress responses in the plant.2021, James E. Faust, John Dole, Cut Flowers and Foliages, page 281:
  • 'Right now, you look very ... underoxygenated,' Perdu heard Max Jordan's voice say.2015, Nina George, The Little Paris Bookshop:

Synonyms of underoxygenated

Antonyms

Forms of underoxygenated

comparativemore underoxygenated
superlativemost underoxygenated

Origin of underoxygenated

From under- + oxygenated.

From underoxygenate + -ed.

Questions about underoxygenated

What does underoxygenated mean?
Underoxygenated means having insufficient oxygen.
How do you use underoxygenated in a sentence?
Researchers are reporting what I've long suspected—that most people are underoxygenated all day long.
What part of speech is underoxygenated?
Underoxygenated is an adjective.

Words near underoxygenated in the dictionary

  1. underoxidize
  2. underoxidized
  3. underoxidizes
  4. underoxidizing
  5. underoxygenate
  6. underoxygenated
  7. underoxygenation
  8. underpack
  9. underpackage
  10. underpackaged
  11. underpackages

Source and license

Adapted from Wiktionary: underoxygenated (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underoxygenated.wav.

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