過大|かだいkadai[0]heiban (flat)

1. na-adjectiveexcessive; too much; unreasonable
   世界的せかいてきに過大かだいに評価ひょうかされた中国ちゅうごく書しょといえば、『孫子まごこ』ですかね。↗

   When it comes to Chinese books that are overvalued worldwide I suppose it's Sun Tzu, isn't it?

• Synonym過度かどNeutralRefers to going beyond the proper degree, as in 「過度の飲酒」; 「過大」 leans toward oversized scale, evaluation or expectations.
• Synonym過剰かじょうNeutralQuantity or degree beyond what is needed, as in 「供給過剰」「自意識過剰」; 「過大」 leans toward scale or evaluation being too large.
• Synonym過多かたNeutralToo great in number, as in 「情報過多」; 「過大」 is about scale or evaluation, not sheer quantity.
• Synonym過重かじゅうNeutralWeight or burden too heavy, as in 「過重労働」; 「過大」 leans toward scale or evaluation being too large.
• Synonym過当かとうWrittenWritten/formal prose: beyond reasonable limits, as in 「過当競争」; stresses unreasonableness, while 「過大」 stresses size and is more common.
• Synonym過分かぶんWrittenWritten/formal prose: beyond one's station or usual limits, as in 「過分なお褒め」「過分な要求」, often used humbly; 「過大」 stresses size or weight.
• RelatedめちゃくちゃCasualColloquial: utterly unreasonable or a total mess; also works as an adverb of degree; 「過大」 is about excessive amount or evaluation.
• Related法外ほうがいWrittenWritten/formal prose: outrageously excessive, as in 「法外な値段」; stresses defying common sense, while 「過大」 is about overestimated evaluation.
• Related並み外れなみはずれNeutralFar beyond the ordinary, as in 「並外れた才能」, usually positive; 「過大」 means over the proper limit and carries a negative tone.
• Related無茶むちゃCasualColloquial: acting recklessly or going overboard, as in 「無茶をする」; stresses rash behavior, while 「過大」 is about amount or evaluation.
• Related無理むりNeutralStraining oneself or unreasonable, as in 「無理をする」; 「過大」 simply means too large and has no nuance of overexertion.
• Related極端きょくたんNeutralTilted to one extreme, as in 「極端な意見」; 「過大」 is about amount or degree being too large.
• Related大げさおおげさCasualColloquial: exaggerating in what one says, as in 「大げさに言う」; 「過大」 is about overestimated evaluation or size.
• RelatedたいそうWrittenWritten/formal prose: very much or grandiose, as in 「大層な口をきく」; 「過大」 stresses scale or weight being too large.
• RelatedむちゃくちゃCasualColloquial, an intensified 「無茶」: chaotic and utterly unreasonable; 「過大」 is about amount or degree being too large.
• RelatedやたらCasualColloquial adverb: indiscriminately or excessively, as in 「やたらと高い」; 「過大」 is about overestimated evaluation.
• Related甚だしいはなはだしいWrittenWritten/formal prose adjective: extreme in degree, as in 「甚だしい誤解」; 「過大」 is about amount or size being too large.
• RelatedとてつもないWrittenWritten/formal prose adjective: staggering or outrageous, as in 「途轍もない計画」; 「過大」 is about exceeding what is appropriate.
• RelatedむやみCasualColloquial: acting without thought or to excess, as in 「むやみに信じる」; 「過大」 is purely about size and lacks the rashness nuance.
• Relatedご大層ごたいそうCasualColloquial: exaggerated or extravagant, often with an ironic edge; 「過大」 is a more objective judgment that something is too large.
• Antonym過少かしょうNeutralAntonym: quantity too small or insufficient; the opposite of 「過大」 in terms of amount.
• Antonym過小かしょうNeutralAntonym: scale or evaluation too small, as in 「過小評価」; the opposite of 「過大」 in terms of size.

Use 「過大」 for excessive scale, evaluation or expectations, as in 「過大評価」「過大な期待」. For exceeding proper limits pick 「過度」, for surplus quantity or degree 「過剰」, for an over-heavy burden 「過重」; 「過小」 is the opposite in size.

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

1. 大おおきすぎる様さま。