Definition of sixtieth in English:

sixtieth

ordinal number

  • 1Constituting number sixty in a sequence; 60th.

    ‘the sixtieth anniversary of the company's founding’
  • 2Each of sixty equal parts into which something is or may be divided.

    ‘Hill won the title by one sixtieth of a second’

Pronunciation

sixtieth

/ˈsɪkstɪəθ/