bubblehead.
A stupid person; someone who is empty-headed or oblivious.
Meaning & usage
A stupid person; someone who is empty-headed or oblivious.
A submariner; bubble-head.
A navy hard hat or salvage diver.
Where this word comes from
* From bubble + head. * (diver): Inspired by the shape of the old spun-copper diving helmet.
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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.