countersue

[ koun-ter-soo ]
/ ˈkaʊn tərˌsu /

verb (used with object), coun·ter·sued, coun·ter·su·ing.

to bring a civil action against (one's complainant).

verb (used without object), coun·ter·sued, coun·ter·su·ing.

to bring a civil action against one's complainant.

Origin of countersue

Example sentences from the Web for countersue