Simple past tense and past participle of throng.(verb)
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Use "thronged" in a sentence
"Back they thronged from the past, those gay figures of olden days, living, loving, hating, plotting as of yore."
"Somebody hath touched -- yes, the multitude "thronged" and pressed"
"The spectators were clad in white garments; all the temples were open, and full of garlands and perfumes; and the ways cleared and cleansed by a great many officers, who drove away such as thronged the passage, or straggled up and down."