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ENGLISH · A WORD WITH POSSIBILITIES

atomitat.

A luxury underground bunker; an underground house designed for habitation during a nuclear fallout or other catastrophic event; a luxurious (and often large, homely) fallout shelter.

8 characters4 syllables approx.English language

Meaning & usage

noun/əˈtɑː.mɪ.tæt/General-American
  1. A luxury underground bunker; an underground house designed for habitation during a nuclear fallout or other catastrophic event; a luxurious (and often large, homely) fallout shelter.

    US · rare
Where this word comes from

Blend of atomic + habitat. Coined around November 1961 by American architect Jay Swayze, originally as the name of his underground bunker and home in Plainview, Texas, which completed construction in 1962.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.