Word.ws English Dictionary

sustaining

sustaining is the present participle and gerund of sustain.

Meaning of sustain

Verb

sustain (third-person singular simple present sustains, present participle sustaining, simple past and past participle sustained)

  1. (transitive) To maintain, or keep in existence.
    • The professor had trouble sustaining students’ interest until the end of her lectures.
  2. (transitive) To provide for or nourish.
    • provisions to sustain an army
    Synonyms:
    hold
  3. (transitive) To encourage or sanction (something).
  4. (transitive) To experience or suffer (an injury, etc.).
    • The building sustained major damage in the earthquake.
  5. (transitive) To confirm, prove, or corroborate; to uphold.
    • to sustain a charge, an accusation, or a proposition
  6. To allow, accept, or admit (e.g. an objection or motion) as valid.
    Antonyms:
    overrule

See all 10 meanings of sustain

Noun

sustaining (plural sustainings)

  1. The process by which something is sustained or upheld.
    • Beginnings are very different from sustainings; the irregular, often violent, and improvised actions of the founder hero must be succeeded by the regular election of leaders according to law.2012, Alan Ryan, On Politics

Adjective

sustaining (comparative more sustaining, superlative most sustaining)

  1. That sustains, supports or provides sustenance.
    • […] eternall life, the end of all our wearisome labours, and all our sustaining hopes.1641, John Milton, Of Prelatical Episcopacy, London: Thomas Underhill, page 24
    • I turned quick to look for him, and saw him coming towards me, with another gentleman—But I saw no more, my senses forsook me; in spite of Maria’s sustaining arm, I fell motionless on the ground.1771, Elizabeth Griffith, The History of Lady Barton, London: T. Davies & T. Cadell, Volume 2, Letter 31, p. 21

Forms of sustaining

Noun
pluralsustainings
Adjective
comparativemore sustaining
superlativemost sustaining

Words formed from sustaining

Phrases with sustaining

Questions about sustaining

What does sustaining mean?
Sustaining means the process by which something is sustained or upheld.
What is sustaining the present participle and gerund of?
Sustaining is the present participle and gerund of sustain.
What part of speech is sustaining?
Sustaining can be a noun or an adjective.
What is the plural of sustaining?
The plural of sustaining is sustainings.

Words near sustaining in the dictionary

  1. sustainedly
  2. sustainer
  3. sustainers
  4. sustainest
  5. sustaineth
  6. sustaining
  7. sustaining program
  8. sustaining programme
  9. sustaining programmes
  10. sustaining programs
  11. sustainingly

Source and license

Adapted from Wiktionary: sustaining (page history and authors); sustain (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.

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Cite this entry: “sustaining.” Word.ws, https://word.ws/sustaining. Based on Wiktionary, CC BY-SA 4.0.