Deboost

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A slowing manoeuvre of this kind.
Verb
  1. 1
    To slow a spacecraft by reducing thrust, typically in order to achieve a stable orbit. ambitransitive

    "This combination would prevent anti-ballistic missile radar (BMEWS), presently the U.S.’s main screen against surprise attack, from ascertaining the point of impact until the rocket “deboosts”-about three minutes and 500 miles from target."

  2. 2
    To limit or suppress the reach of an account or post. Internet, transitive

    "In one tweet Elon appears to allude to the fact that Twitter’s internal systems can apply a shadow ban and deboost an account on their own, without any human interference or knowledge. […] Outside of the Twitter Terms of Service there are no guidelines for when or how a user could be shadow banned or deboosted – likely, because until recently most users were unaware that such a thing could occur to them."

Antonyms

All antonyms

Example

More examples

"This combination would prevent anti-ballistic missile radar (BMEWS), presently the U.S.’s main screen against surprise attack, from ascertaining the point of impact until the rocket “deboosts”-about three minutes and 500 miles from target."

Etymology

From de- + boost.

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