a force to be reckoned with

force to be reckoned with

A person or thing considered to be strong, powerful, or difficult to defeat. They say the young boxer is a force to be reckoned with, so I'm betting he'll win the match tonight. The attorney may look petite and meek, but she's a force to be reckoned with in the courtroom.

See also: force, reckon

a force to be ˈreckoned with

a person or thing that has a lot of power and influence and should therefore be treated seriously: The increased size of the country’s army means that it is now a force to be reckoned with. ♢ Be very careful how you deal with her because she’s a force to be reckoned with.

See also: force, reckon