The sixth day of the week in many religious traditions, and the fifth day of the week in systems using the ISO 8601 norm; the Muslim Sabbath; it follows Thursday and precedes Saturday.

(US, Canada) On Friday.

(US, Canada) On Friday; each Friday.

plural of Friday

(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.

plural of Black Friday

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