Simple past tense and past participle of rely.(verb)
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Use "relied" in a sentence
""The calls relied on by the government could not have been the source of the threat," Ms. Doherty said at Wednesday's hearing."
"Obama's campaign has relied from the start on the huge numbers of ordinary people who are supporting him."
"My first creation with boronia, a soliflore I named "Eau de Tinkerbell" it was very bright green in colour and with a cheerful character, hence the name relied on tea as the base note."