惜(お)しげもなく

Implies that the thing given or used is valuable, making the generosity noteworthy.

Etymology

From 惜(お)しい (regrettable, precious) + げ (appearance suffix) + も + なく (without). Literally: "without even an air of reluctance."

Common patterns

• 〜を惜(お)しげもなく使(つか)う: to use ~ generously
• 〜を惜(お)しげもなく与(あた)える: to give ~ without holding back
• 〜を惜(お)しげもなく注(そそ)ぐ: to pour ~ unstintingly

Register

Somewhat literary. Often appears in written descriptions of lavish use of resources, time, or effort.