noun
rising diagonally up and to the right
Describes a line, graph, or trend that slopes upward to the right. Often used in economics, handwriting, or design.
このグラフは右上がりになっている。
This graph is sloping upward to the right.
彼の字は右上がりだ。
His handwriting slants upward to the right.
noun
Figurative extension of the upward slope: indicates a positive trend, improvement, or rapid growth in business, performance, or mood.
売り上げは右上がりに伸びている。
Sales are growing steadily.
彼の成績は右上がりだ。
His grades are on the rise.
Compound of 右 (right) + 上がり (rising, from 上がる). The figurative sense derives from the visual metaphor of an upward-sloping line.