/ˈsɪksti/

• 1  det./pron. hirurogei ☞ six

  sixty-one: hirurogeita bat

  sixty-five: hirurogeita bost

• 2  n. hirurogei ☞ six

  the sixties: hirurogeiko hamarkada

  to be in one's sixties: hirurogeitaka urte izan