superpower

su·per·pow·er

noun \ˈsü-pər-ˌpau̇(-ə)r\

: an extremely powerful nation

Full Definition of SUPERPOWER

1

:  excessive or superior power

2

a :  an extremely powerful nation; specifically :  one of a very few dominant states in an era when the world is divided politically into these states and their satellites

b :  an international governing body able to enforce its will upon the most powerful states

— su·per·pow·ered \-ˌpau̇(-ə)rd\ adjective

First Known Use of SUPERPOWER

1920

Rhymes with SUPERPOWER

coffee hour, cooling tower, credit hour, flower power, golden shower, happy hour, ivory tower, motive power, police power, quarter hour, staying power, trumpet flower, virgin's bower, water tower, zero hour