ongeton
אָנגעטאָן
to do something out of spite
Used in a sentence
ער טוט עס אים אָנגעטאָן.
Er tut es im ongeton.
He does it to spite him.
זי האָט דאָס געטאָן אים אָנגעטאָן.
Zi hot dos geton im ongeton.
She did it just to spite him.
פֿאַר וואָס טוסטו מיר דאָס אָנגעטאָן?
Far vos tustu mir dos ongeton?
Why are you doing this to spite me?
Quick check
"Ongeton" as its own idiom (not just "onton"'s participle) means:
1. to do something out of spite
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2. to get dressed
3. to redo something
4. to survive