Third-person singular simple present indicative form of overfly.(verb)
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Use "overflies" in a sentence
"A satellite on polar orbit effectively 'overflies' the entire earth as the earth rotates underneath it."
"The orbit overflies all of the world's most populated areas."
"Third, Obama should work with the Japanese government to display the capabilities of US-made Japanese ballistic missile defenses, and Japan's willingness to use them if a North Korea missile overflies its territory."