Origin of sixMiddle English from Old English sex, akin to German sechs, Old Norse sex, Gothic saihs from Indo-European base an unverified form seks, an unverified form swe?s from source Classical Latin sex, Classical Greek hex, Sanskrit ?á?
- the cardinal number between five and seven; 6; VI
- any group of six people or things; half a dozen
- something numbered six or having six units, as a playing card, domino, face of a die, etc.
- an engine with six cylinders or an automobile with such an engine
at sixes and sevens
- in confusion or disorder
- at odds; disagreeing