From super- + maximal. <span class="searchmatch">supermaximal</span> (not comparable) Greater than a normal maximum...
prison in Florence, Colo. (rare) Greater than maximum; to the very highest degree; <span class="searchmatch">supermaximal</span> supermaximum (plural supermaximums) A supermax prison....
(adjective) minimal halfmaximal maximal ideal maximal munch submaximal <span class="searchmatch">supermaximal</span> maximative largest, greatest, highest, most maximal (plural maximals)...
ultra- + maximum. ultramaximum (not comparable) Greater than maximum; <span class="searchmatch">supermaximal</span>; ultramaximal. 1897, American Association for the Advancement of Science...