Simple past tense and past participle of argue. (verb)
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Use "argued" in a sentence
"Religious belief, some have argued, is the prime motivator for such an attack."
"This puts President Obama -- a self-described "fierce advocate" for gay rights -- in the position of continuing to defend a policy he himself has argued is inconsistent with national security and has promised to overturn."
"The point, he argued, is that the legislative accomplishments of this administration were more motivational than a cause for discontent."