antithesis

US /ænˈtɪθ.ə.sɪs/
UK /ænˈtɪθ.ə.sɪs/
"antithesis" picture
1.

a person or thing that is in direct opposition to or contrast with another

:
Love is the antithesis of hatred.
His calm demeanor was the antithesis of her frantic energy.
2.

the direct opposite

:
Poverty is the antithesis of wealth.
His actions were the antithesis of what he preached.