sustainer

[ suh-stey-ner ]

noun

1. a person or thing that sustains.
2. Rocketry.
   1. any stage of a multistage rocket or guided missile that sustains flight after the burnout of the booster.
   2. the rocket engine or cluster of engines contained in such a stage.

Word History and Origins

Origin of sustainer¹

First recorded in 1350–1400, sustainer is from the Middle English word sosteynere. See sustain, -er ¹

Example Sentences

Patron of agriculture, sustainer of harvests, he’s a dreamboat, as buff as Adonis, as self-possessed as a Buddha.

From New York Times

Established as a nonprofit, the company is not supported by advertising or app sales, instead relying on donations and a recently launched sustainer program.

From The Verge

Everyone, all the builders and sustainers and stakeholders, wants better.

From Washington Post

Over the same period, the market capitalization of sustainers dropped by a similar amount.

From Washington Post

“We will defend their civil rights, their humanity, and their equal protections under the law. And that starts with the dismissal of the chief who is the protector and sustainer of the oppression.”

From Washington Times

Related Words

• advocate
• backer
• benefactor
• patron
• promoter
• supporter
• underwriter