Zillionth

//ˈzɪljənθ// adj, noun, slang

adj, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    The person or thing in the zillionth position. informal
  2. 2
    One of a zillion equal parts of a whole. informal
Adjective
  1. 1
    The ordinal form of the number zillion. informal, not-comparable

Etymology

From zillion + -th (ordinal suffix).

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