壮大|そうだいsoudai[0]heiban (flat)

1. na-adjective, nounmagnificent; grand; majestic; splendid
   壮大そうだいな眺ながめですね。↗

   It's a magnificent view, isn't it?

• Synonym堂々どうどうNeutralDescribes a person's imposing, dignified bearing — confident and unashamed; 「壮大」 is about grand scale or conception.
• Synonym荘厳そうごんNeutralSolemn and sublime, typically of religious buildings and ceremonies; 「壮大」 stresses sheer scale.
• Synonym雄大ゆうだいNeutralVast, majestic natural scenery, as in 「雄大な山々」; 「壮大」 is also used for ideas and plans.
• Synonym壮観そうかんNeutralThe spectacle before your eyes, as in 「壮観だ」; 「壮大」 is about scale and grand conception.
• Synonym壮麗そうれいWrittenWritten word for gorgeous, imposing buildings; 「壮大」 stresses scale.
• Synonym立派りっぱNeutralMuch broader — fine, splendid, praiseworthy; 「壮大」 focuses on grand scale or conception.
• Synonym広壮こうそうWrittenWritten word for buildings that are spacious and imposing; 「壮大」 covers scale and also grand plans and ideas.
• Synonym豪壮ごうそうWrittenWritten word for luxurious, stately mansions, as in 「豪壮な邸宅」; 「壮大」 is more general.
• Related大規模だいきぼNeutralStates large scale plainly and objectively, as in 「大規模工事」; 「壮大」 carries a note of admiration.
• Related高大こうだいWrittenWritten word meaning tall as well as large; 「壮大」 stresses scale and grandeur.
• Antonym矮小わいしょうWrittenWritten word opposite to 「壮大」 in size: small and stunted, or narrow, as of thinking.
• Antonym貧弱ひんじゃくNeutralOpposite of 「壮大」 in scale and presence: meagre, flimsy, lacking substance.
• Antonym粗末そまつNeutralRoughly made and shabby, stressing poor quality; opposite of 「壮大」 in polish and merit.

Use 「壮大」 for grand scale or conception, as in 「壮大な計画」. For vast natural scenery pick 「雄大」, for solemn religious buildings 「荘厳」, for a person's dignified bearing 「堂々」, and for a plain statement of size 「大規模」. The opposites are 「貧弱」 and 「矮小」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 規模きぼが大おおきくて優すぐれていること。