Simple past tense and past participle of kowtow.(verb)
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Use "kowtowed" in a sentence
"He "kowtowed" some more, and at the answer of the chattering savage we looked at Annie."
"Too bad CBS kowtowed to the so called “savior with a smile” in Tim Tebow."
"Half the problems we have today are caused by an excess of attention to the opinions and carryings-on of people who have in no way earned the right by achievement or election or any other criteria to be heard on any subject at any time, let alone kowtowed to."