Acantharchus pomotis, a sunfish widely distributed in the fresh waters along the Atlantic coast of North America.

(slang) Lysergic acid diethylamide produced in California in the late 1960s in the form of orange tablets.

(informal) Happy, positive things, sometimes with a connotation of unrealistic expectations.

A blind used to protect against the sun.

The quality of being Sunni.

One who is pious and well-behaved on Sunday (when attending church) but not so well-behaved at other times.

plural of Sunday saint

plural of sunset prayer

(US) Sunday 8 February (or the closest Sunday that precedes 8 February), chosen to mark the founding of the Scouts in the United States.

(informal, UK, Cambridge University) The Sunday immediately after the end of the summer term (known as Easter Term), at which point all students have finished exams but most of the results have not been published.