Simple past tense and past participle of tie.(verb)
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Use "tied" in a sentence
"Out of the corner of his eye Wexford read the label tied to the older man's handcase."
"Some stretchers were being carried to the lift which goes down to the deck of the hospital-ship, on which an officer was ticking off each wounded body after a glance at the label tied to the man's tunic."
"I dont want an email tied to it, or my name tied to it, but since I go to this school, I have no choice"