noun
degree of adhesion; how well something sticks; density; saturation
Describes the degree or quality of attachment, adhesion, density, or saturation. Often used for how well something like lipstick, paint, or leaves adhere or are distributed.
この口紅は付き具合がよく、一日中落ちにくい。
This lipstick has good adhesion and stays on all day.
木の葉の付き具合が季節によって変わる。
The density of leaves on the tree changes with the seasons.
絵の具の付き具合を調整して、色の濃さを変えた。
I adjusted the saturation of the paint to change the color intensity.
Compound of 付き (continuative form of 付く 'to stick') + 具合 ('condition, state').