15-letter words starting with si
- sister of mercy — a member of a congregation of sisters founded in Dublin in 1827 by Catherine McAuley (1787–1841) and engaged chiefly in works of spiritual and corporal mercy.
- sistine madonna — a Madonna painted by Raphael for the Church of St. Sixtus at Piacenza, Italy.
- sit in judgment — To sit in judgment means to decide whether or not someone is guilty of doing something wrong.
- sit-down strike — a strike during which workers occupy their place of employment and refuse to work or allow others to work until the strike is settled.
- situs picketing — common situs picketing.
- six of the best — six strokes with a cane on the buttocks or hand
- sixth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, guaranteeing the right to a trial by jury in criminal cases.