(Christianity) The Friday before Easter Sunday, the commemoration of the day on which Christ was crucified.

(US) Synonym of dress-down Friday

The final day of something such as work or school prior to a long weekend, typically Thursday

A Friday falling on the 13th day of the month (and therefore doubly ill-omened). / (possibly obsolete) Good Friday. / Any Friday actually darkened by catastrophe, or the anniversary thereof.

A right-hand man / (derogatory) A native or aborigine, especially one who inhabits an island

A right-hand woman

plural of man Friday

plural of girl Friday

A particular date combination that occurs when the thirteenth day of a month falls on a Friday, and which is considered unlucky in some cultures.

Alternative spelling of Friday the thirteenth