well thumbed

US /ˌwel ˈθʌmd/
UK /ˌwel ˈθʌmd/
"well thumbed" picture
1.

abgegriffen, vielgelesen

having been read or handled a lot and consequently soiled or damaged

:
His favorite book was old and well thumbed.
Sein Lieblingsbuch war alt und abgegriffen.
The dictionary on the shelf was clearly well thumbed.
Das Wörterbuch im Regal war eindeutig abgegriffen.