noun, noun which may take the genitive case particle 'no', noun or participle which takes 'suru', transitive verb
extra charge; premium; bonus; surcharge
Refers to an additional amount added to a base price, fare, or wage. Often used in contexts like overtime pay, express train surcharges, or price markups. The gloss 'tenths increase' applies when following a number, e.g., 2割増 means a 20% increase.
特急料金は普通運賃に割増がつく。
The limited express fare includes a surcharge on top of the regular fare.
深夜労働には2割増の賃金が支払われる。
Late-night work is paid at a 20% premium.
この商品は人気があるので、割増価格で販売されている。
Because this product is popular, it is sold at a premium price.