How to Say "plagiarized" in Spanish
The Spanish word for “plagiarized” is “copiado” — B1 level.
English → SpanishB1
adjectiveB1
describing stolen intellectual work

Examples
Este cuadro es copiado, no es el original.
This painting is a copy; it's not the original.
Sus ideas parecen un poco copiadas de otros autores.
His ideas seem a bit copied from other authors.
Matching the Word to the Object
When using 'copiado' as a description, you must change the ending to match the object: 'un libro copiado' but 'una idea copiada'.
Adjective vs. Action
Mistake: “La tarea está copiado.”
Correction: La tarea está copiada. When describing a noun, the ending must match the gender (tarea is feminine).
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