reliability; dependability; trustworthiness
Refers to the quality of being someone you can rely on or ask for help; often used in phrases like 頼み甲斐のある人 (a reliable person).
He is a truly reliable friend.
It's worrying to entrust work to an unreliable person.
Standard kanji spelling.
Mixed kanji-kana spelling; common in everyday writing.
Compound of 頼み (request, reliance) and 甲斐 (worth, effect). The exact historical derivation is uncertain, but the combination conveys the idea of 'worth relying on.'