six; six years of age; six o'clock (old time system)
sixth day of the month; six days
the sixth hour of the morning
dividing something into six pieces; something divided into six pieces
difficult; hard; impossible; unfeasible; fussy; particular; gloomy
mnemonic for remembering the months with fewer than 31 days (ni, shi, mu, ku, etc.)
(approx.) six o'clock (am or pm, old time system)