broaden.
To make broad or broader.
Meaning & usage
To make broad or broader.
broaden one’s knowledge
broaden the canal
To become broad or broader.
The roads gradually broadened as we drove into the countryside.
Her knowledge broadened after spending a year in South America.
Where this word comes from
Etymology tree Proto-Indo-European *bʰer-der.? Proto-Germanic *braidaz Proto-West Germanic *braid Old English brād Middle English brod English broad English -en English broaden From broad + -en (verbal suffix).
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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.