na-adjective
secret; quietly hidden; discreet
Describes something kept quietly hidden, often with a sense of elegance or refinement. Used for feelings, relationships, or atmospheres that are not openly shown.
彼女は秘めやかな恋心を抱いていた。
She harbored a secret, quiet love.
その庭には秘めやかな美しさがあった。
The garden had a discreet, hidden beauty.