unfathomable

1. Impossible to fathom.Examples: "The sheer number of warriors the enemy attacked with was unfathomable."; "There are indeed unfadomable depths in that Ocean [i.e., the holy scriptures], vvherin vve ſhall vainly hope to pitch our anchor; but all neceſſary truthes need not much line: […]"; "Their music is employed in celebrating their own criminal exploits, and their discourse in sounding the unfathomable depths of fate, freewill, and foreknowledge."Synonyms: bottomless, fathomless, impenetrable, unintelligible, abstruse, Chinese, dense, enigmaticAntonyms: explicable, fathomable, intelligible, penetrable, understandable, confusing, incomprehensiblefiguratively