Sustainer

noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A person or thing that sustains.

    "[…] But thy selfe, hast a sustainer bene Of much affliction in my cause: […]"

  2. 2
    someone who upholds or maintains wordnet
  3. 3
    A rocket engine that remains with a spacecraft during its ascent after the separation of the booster engines.
  4. 4
    A person who makes regular donations, especially to a public radio or television station. US
  5. 5
    A radio program without a commercial sponsor. US, obsolete

    "21st time this year a sponsor gave the nod to a sustainer: from now on Let’s Pretend, a CBS sustainer for 13 years, will pretend for Cream of Wheat."

Synonyms

All synonyms
upholderabettoractoradmireradvocateaficionado

Example

More examples

"God is the creator and sustainer of the universe."

Etymology

From sustain + -er.

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