Simple past tense and past participle of clamour.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "clamoured" in a sentence
"The operation continued amid fears that the electronic locks on cabin doors, opened by cards with magnetic strips, had automatically locked shut during the blackouts on board the vessel as passengers clamoured to be allowed on to lifeboats."
"The words of his song were like fire in us, and we clamoured to be led against the Meat-Eaters."
"The "abysmal fecundity" was stirred and life clamoured to be created."