Simple past tense and past participle of annotate.(verb)
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Use "annotated" in a sentence
"The word annotated should have been a clue, I guess."
"The XML Fragment query, for example, will produce first only documents that contain "center" where it appears as part of a phrase annotated as an organization by a named-entity recognizer."
"It’s so upsetting to see pundits just spout off bs they read in annotated textbooks of political theory and not open a friggin book or read the newspaper of another country."