Decel

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    Clipping of deceleration. abbreviation, alt-of, clipping, colloquial, countable, uncountable

    "Mountainhead plays out less like a drama between four tenuously connected, very rich friends, and more like a random word generator of tech and finance bro jargon – decel (deceleration, as in AI), p(doom) (the probability of an AI apocalypse), first principles."

  2. 2
    Clipping of decelerationist. abbreviation, alt-of, clipping, colloquial, countable, uncountable

    "Beginning in summer 2022, such posters shared manifestos of an “e/acc” ideology squarely opposed to A.I. fearmongerers like the effective altruists and their fellow “decels” (aka “decelerationists”)."

Example

More examples

"Mountainhead plays out less like a drama between four tenuously connected, very rich friends, and more like a random word generator of tech and finance bro jargon – decel (deceleration, as in AI), p(doom) (the probability of an AI apocalypse), first principles."

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