antithesis
definition
a contrast or opposition between two things
example
In literature, the themes of love and hate often serve as an antithesis, highlighting the complexities of human emotion.
synonyms
contrastoppositionreverse
word origin — From the Greek 'antithesis', meaning 'opposition' or 'contrast', from 'anti-' meaning 'against' and 'thesis' meaning 'a placing' or 'a proposition'.