(informal) Six artificial food dyes, a mixture of which was studied by researchers at Southampton University (results published in 2007), who found a possible link between these dyes and a sodium benzoate preservative and increased hyperactivity in children consuming them. The dyes are: tartrazine, Allura Red AC, ponceau 4R, Quinoline Yellow WS, sunset yellow, and carmoisine.

(Canada, Philippines) Sixth grade.

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

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

(idiomatic) In a state of confusion. / (idiomatic, of people or groups) In a state of dispute or disagreement.

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

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

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

In Mahayana Buddhism, the six virtues which the bodhisattva must practice in their avowed pursuit of bringing all beings to enlightenment through bodhicitta; they are dana (munificence), sila (ethicality), ksanti (patience), virya (determination), dhyana (meditation), and prajna (wisdom).

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