1.
without hesitation, unstintingly, generously
Without holding back or being reluctant to give or use something.
Means to do something without any reluctance or stinginess — freely, generously, unstintingly. Implies that the thing given or used is valuable, making the generosity noteworthy.
Common patterns
From 惜しい (regrettable, precious) + げ (appearance suffix) + も + なく (without). Literally: "without even an air of reluctance."
- 〜を惜しげもなく使う: to use ~ generously
- 〜を惜しげもなく与える: to give ~ without holding back
- 〜を惜しげもなく注ぐ: to pour ~ unstintingly
Register
Somewhat literary. Often appears in written descriptions of lavish use of resources, time, or effort.