Verb (5-dan, す, transitive)
1. to overturn; to capsize; to upset
突風がボートを覆した。A gust of wind capsized the boat.
2. to overthrow (government etc.)
革命で政府が覆された。The government was overthrown in a revolution.
3. to reverse (decision etc.); to disprove (an established theory etc.); to overrule
これは覆しようのない事実よ。This is an undeniable fact.