Usage patterns 広こう 大だい な 〈 場ば 所しょ 〉 が 広ひろ がる a vast ~ stretches out
A vast grassland stretched out beyond the window.
広こう 大だい な 〈 物もの 〉 を 所しょ 有ゆう する to own a vast (piece of land, property, etc.)
That family owns a vast tract of land.
広こう 大だい な 宇う 宙ちゅう the vast universe
He researches the vast universe.
広こう 大だい な 〈 事こと 〉 知ち 識しき vast knowledge (of a field)
The professor has vast knowledge.
Related words· 7 巨大 stresses sheer physical size or bulk of an object or creature, while 広大 highlights expansiveness of area or scope.
莫大 describes an enormous amount, especially of money or effort, whereas 広大 describes vast spatial or conceptual extent.
雄大 conveys grandeur and majesty, often for awe-inspiring scenery, while 広大 simply emphasizes vast size or extent without that emotional weight.
広大 is a more formal na-adjective for 'vast, immense', typically describing landscapes or large-scale areas, while 広い is the everyday word usable for rooms or minds too.
Show 3 more Show fewer 広大 is a formal, often literary word for vast or extensive areas (like deserts or plains), whereas 広々 is a softer, everyday word describing a pleasantly open space.
広大 usually describes physically vast spaces or scale, while 広範 focuses on the breadth of scope, range, or distribution.
広大 describes something vast in size or area, while 果てしない emphasizes that something seems to have no visible end or limit.
Written forms 広こう 大だい Usage 98%
Standard kanji spelling; high-frequency in news and general use.
宏こう 大だい Usage 2%
rarely-used kanji form
Rarely used kanji form.
弘こう 大だい Usage <1%
rarely-used kanji form
Rarely used kanji form.
Etymology Compound of 広 (wide, broad) and 大 (large, great). The spelling 広大 is the standard modern form; 宏大 and 弘大 are rare variants using characters with similar meanings.
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