: extremely male or masculine : supermasculine
… the enduring image of the gyms of the 1960s and '70s is of … supermale bodybuilder patrons.—Eric Chaline
: having more than one Y chromosome
supermale asparagus plants
of hermaphroditic fish
: relating to or being a large, dominant, colorful male that has morphed from a female
… some [salmon] offspring may get a Y from both mother and father and become so-called supermales.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!