Simple past tense and past participle of invade.(verb)
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Use "invaded" in a sentence
"The fact is that when Saddam Hussein invaded Kuweit, Europeans and Arab countries would have been incapable of dealing with Saddam Hussein alone."
"Then today, Feb. 27, 2009, I discovered that ants had once again invaded the clothes on our bamboo shelves."
"But the restive population is chafing under the yoke of Brussels rule, and is finally invaded from the continent by shock troops arriving via Eurostar."