deface italiaksi - Sanakirja.org (englanti-italia)

To damage something, especially a surface, in a visible or conspicuous manner.
To void or devalue; to nullify or degrade the face value.
(heraldry, flags) To alter a coat of arms or a flag by adding an element to it.

That wondrous frame where melody began / Lay as a tomb defaced that no eye cared to scan.
He defaced the I.O.U. notes by scrawling "void" over them.
One-and-twenty worn and defaced shillings, however, were considered as equivalent to a guinea, which perhaps, indeed, was worn and defaced too, but seldom so much so.
You get the Finnish state flag by defacing the national flag with the state coat of arms placed in the middle of the cross.

Partisiipin perfekti	defaced
Imperfekti	defaced
Partisiipin preesens	defacing
Yksikön kolmannen persoonan indikatiivin preesens	defaces