(idiomatic) In a state of confusion. / Used other than figuratively or idiomatically: see all, sixes, and, nines.

Synonym of at sixes and sevens

(nautical) Having six masts.

To hit a cricket ball over the boundary of a cricket pitch and thus score six runs. / To hit something hard. / To be exceedingly successful at (a particular enterprise).

(engineering, automotive) An internal combustion engine, with six cylinders mounted in a straight line along the crankcase with all the pistons driving a common crankshaft.

(US, slang) Among policemen, "time off from work."

The cardinal number immediately following twenty-five and preceding twenty-seven.

The cardinal number immediately following sixty-five and preceding sixty-seven.

The cardinal number immediately following ninety-five and preceding ninety-seven.

The cardinal number immediately following fifty-five and preceding fifty-seven.