Googillion

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    An indefinitely large number. excessive, informal

    "1996 February 18, John Carl Pryor, “Re: A New Theory of Free Will -- continuation of an Open Letter to Professor Penrose”, alt.philosophy.objectivism, alt.sci.physics.new-theories, sci.physics, comp.ai, comp.ai.philosophy, sci.philosophy.meta, alt.memetics, and alt.extropians, Usenet Thus what measurement outside of time and space do we use to measure time and space themselves? […] And what man can possibly project his mind beyond all space and time to make an objective measure and pronounce, "the universe is a googillion years old"."

Example

More examples

"1996 February 18, John Carl Pryor, “Re: A New Theory of Free Will -- continuation of an Open Letter to Professor Penrose”, alt.philosophy.objectivism, alt.sci.physics.new-theories, sci.physics, comp.ai, comp.ai.philosophy, sci.philosophy.meta, alt.memetics, and alt.extropians, Usenet Thus what measurement outside of time and space do we use to measure time and space themselves? […] And what man can possibly project his mind beyond all space and time to make an objective measure and pronounce, "the universe is a googillion years old"."

Etymology

From googol + -illion, which would imply a very large power of ten.

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