割合・割り合い|わりあいwariai[0]heiban (flat)

1. nounrate; ratio; percentage; proportion
   クラスの女おんな生徒せいとの男おとこ生徒せいとに対たいする割合わりあいは３対たい２だ。↗

   The proportion of girls to boys in our class is three to two.
2. adverbcomparatively
3. adverbcontrary to expectations

• Synonym率りつNeutralA rate or ratio, mostly used as a suffix in words like 「合格率」 and 「失業率」; rarely stands alone.
• Synonym比率ひりつNeutralThe ratio between two quantities, as in 「男女の比率」; more mathematical and technical than 「割合」.
• SynonymレートNeutralLoanword for rates such as exchange rates and fees, also speed and ratings, as in 「為替レート」 and 「ビットレート」.
• Synonym歩合ぶあいNeutralA rate or performance-based pay, as in 「歩合制」; emphasizes commission paid in proportion to results.
• Synonym比較的ひかくてきNeutralAdverb meaning relatively, as in 「比較的安い」; more formal than the adverbial use of 「割合」.
• Synonym割にわりにCasualColloquial adverb meaning more than expected, as in 「割に安い」; also appears in the pattern 「…の割に」.
• Synonym割とわりとCasualColloquial adverb meaning quite or surprisingly, as in 「割と簡単」; the most common choice in everyday speech.
• Related割り方わりかたCasualColloquial adverb meaning surprisingly or quite, as in 「割り方簡単だ」.
• RelatedわりかしCasualColloquial adverb meaning fairly or quite, as in 「割かし好き」; more casual than 「割と」.

Default to 「割合」 for proportions and percentages. For a ratio between two quantities use 「比率」 or the suffix 「率」; for exchange rates use 「レート」; for commission use 「歩合」. As an adverb meaning 'relatively', casual speech takes 「割と」 or 「割に」, formal prose 「比較的」.

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

1. 頭数とうすうで割わるなどして個々ここに割り当わりあてた分量ぶんりょうや金額きんがく。割り当わりあて。
2. 全体ぜんたいに対たいする部分ぶぶんの比ひ。また、二ふたつのものの比ひ。比率ひりつ。
3. （連体れんたい修飾語しゅうしょくごを受うけ「～割合わりあいに」の形かたちで）状況じょうきょうや特徴とくちょうから考かんがえた標準的ひょうじゅんてきな基準きじゅんと照らし合てらしあわせた予想よそうと比くらべた具合ぐあい。割わり。
4. （「割合わりあいに」「割合わりあいと」の形かたちでも用もちいて）状況じょうきょうや特徴とくちょうから考かんがえた標準的ひょうじゅんてきな基準きじゅんと照らし合てらしあわせた予想よそうと比くらべて。比較的ひかくてき。割わりに。