Antithesis is a literary device that involves the juxtaposition of two contrasting ideas or concepts. It is often used to emphasize a point or to create a balance between two opposing forces. The crossword solutions for the term 'antithesis' include inversion (9 letters), CONTRARIETY (11 letters), contrapostion (14 letters), COUNTER (7 letters), CONTRAST (8 letters), CONTRADICTORY (13 letters), NEGATION (8 letters), ANTAGONISM (10 letters), DIFFERENCE (10 letters), FOIL (4 letters), INVERSE (7 letters), CONTRA (6 letters), and OPPOSITE (8 letters). All of these words refer to the concept of opposition or CONTRAST, which is the essence of antithesis.