тонкая

thin, slender

→ тонкий

тонк thin, slender + ая Feminine singular nominative

adjective · singular feminine, nominative Rare #41,857

thin, slender Also used figuratively for something subtle or delicate.

RU: Это тонкая книга.

EN: This is a thin book.

Forms of тонкий

	Masculine	Feminine
Singular	тонкий	тонкая

What fine work!

— Ариэтти из страны лилипутов (2010)

One book is thin, the other is thick.

It was a subtle thing.

— Славные парни (1990)