also: わりのよい
expression, i-adjective (yoi/ii class)
paying well; profitable; advantageous
Describes a job, deal, or situation where the return is good relative to the effort or cost. Often used in the phrase 割のいい仕事 (a well-paying job).
See also: 割がいい
Antonyms: 割の悪い
彼は割のいいアルバイトを見つけた。
He found a well-paying part-time job.
この仕事は割がいい
This job pays well, so I want to keep doing it.
From 割 (わり, 'proportion, rate') + の (attributive particle) + いい ('good'). Literally 'of good proportion', referring to a favorable return on effort or investment.