Simple past tense and past participle of stray.(verb)
Who has lost his way.(adjective)
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Use "strayed" in a sentence
"Though we've strayed from the original point of the post, I feel compelled to answer you."
"The present bench has strayed from the firm ground of that ruling."
"Creel informed him that he had just written a six-page letter to Upton Sinclair renouncing his recent endorsement for the candidate on grounds that he had strayed from the Democratic platform."