onweer.
thunderstorm
Meaning & usage
thunderstorm
Where this word comes from
From earlier onweder, from Middle Dutch onweder, from Old Dutch *unwedar, from Proto-Germanic *unwedrą. Equivalent to on- + weer (literally “unweather”). Cognate with English unweather, German Unwetter, Swedish oväder.
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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.