To apply coats repeatedly; to paint or spread layers over something (e.g., paint, makeup), putting one coat on top of another.
絵を描くときは、薄く色を塗り重ねて深みを出すことが大切だ。
When painting, it's important to apply thin layers of color repeatedly to create depth.
古いペンキの上にそのまま新しい色を塗り重ねると、はがれやすくなることがある。
If you paint a new color directly over old paint, it can sometimes peel off easily.
化粧ではコンシーラーを塗り重ねるとカバー力が増すが厚塗りになりやすい。
In makeup, layering concealer increases coverage but can easily lead to a cakey look.
防水塗料を何度も塗り重ねて、壁の耐久性を高めた。
I applied waterproof paint repeatedly to improve the wall's durability.