(business, marketing) The day or days (boxing week) following Christmas (December 25th) when stores have large reductions.

(University of Cambridge) A religiously or academically significant day; one on which festal academic dress should be worn.

(Judaism) Yom Kippur

A day marking a country's establishment as a sovereign entity, typically a celebration of its independence, revolution or former ruler.

Alternative spelling of dayee

Easter Monday, as observed by Polish descendants in English-speaking countries.

A time of glory or ascendancy.

Any of various public holidays in various countries to commemorate victories in important battles or wars in the countries' history.

(Australia, Britain, New Zealand) A day on which school pupils are allowed to wear casual clothes which would on any other day be against the school's uniform policy.

Alternative form of degree day