ゲインgein

1. noungain

• Synonym利益りえきNeutralThe most common word for profit or benefit; 「ゲイン」 is mostly for electronic gain or gains in sports and finance.
• Synonym得とくNeutralA bargain or benefit, as in 「得をする」; common in colloquial speech, while 「ゲイン」 leans technical.
• Synonym利得りとくWrittenProfit obtained; also the gain of an electric circuit. Close in sense to 「ゲイン」 but leans to written prose.
• Synonym利潤りじゅんWrittenAn economics term for the surplus left after subtracting outlays from income; more academic than 「利益」.
• Related儲けもうけNeutralThe money earned, a profit; common in colloquial speech, whereas 「ゲイン」 is a foreign technical term.
• RelatedプラスNeutralA loanword for plus or a positive number, also used figuratively for a benefit; broader in use than 「ゲイン」.
• Related益金えききんWrittenAn accounting and tax term for a business's earnings as counted when working out taxable income; strongly technical.
• RelatedプロフィットNeutralA loanword for profit, mostly in business; more strictly about earnings than 「ゲイン」.
• Related得分とくぶんWrittenProfit or one's share of gains; an old-fashioned term, rarely used today.
• AntonymロスNeutralA loanword for loss or waste; the opposite of 「ゲイン」.
• Antonym損失そんしつNeutralLoss of assets or profit; the counterpart of gains.
• Antonym減損げんそんWrittenDecrease or impairment, often in the accounting phrase 「減損処理」; the opposite of gain.

Use 「ゲイン」 for electronic gain or for gains in sports and finance. For profit in general, 「利益」 is the default; in casual speech say 「得」 or 「儲け」. 「利得」 covers circuit gain in written prose, 「プロフィット」 is business profit, and 「益金」 and 「利潤」 are technical and academic terms. The antonyms are 「ロス」 and 「損失」.

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

1. 儲もうけ。利益りえき。
2. 電圧でんあつ、電流でんりゅう、電力でんりょくの入力にゅうりょくに対たいする出力しゅつりょくの比率ひりつ。単位たんいはデシベル。