Simple past tense and past participle of scribble.(verb)
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Use "scribbled" in a sentence
"Emmanuel turned the book sideways to read the name scribbled down in black ink."
"I mean, even the name scribbled inside the cover can tell you things about a person."
"I can see his name scribbled over all my notebooks, varying from “Jack Hines, Chase Hines,” “Chase and Jack,” or the standard, “I Love Jack Hines,” always with tiny hearts floating nearby."