Simple past tense and past participle of intertwine.(verb)
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Use "intertwined" in a sentence
"The two races have been intertwined from the start."
"Then this morning I woke up and the Lord kept pressing the word intertwined on my heart."
"The author of Eifelheim recalls the intertwined structure of ancient Celtic music and storytelling in this series of connected vignettes about an object that always lies just beyond one's reach."