(idiomatic, basketball) The NCAA strategy of playing a suffocating full-court press and aggressive offense for the entirety of a game.

(Canada, US) A nickname for the approximately 1200-mile (1900-kilometer) portion of the border between Canada and the USA, extending along the forty-ninth parallel of latitude from Lake of the Woods to the Pacific Ocean.

(set theory) The paradox that supposing the existence of a set of all ordinal numbers leads to a contradiction; construed as meaning that it is not a properly defined set.

(Canada, US, idiomatic, obsolete) A very fast speed. / (Canada, US, slang, obsolete, by extension) The quality of being "fast", i.e. immoral in one's habits.

(music) Indicating that the piece is played very loud.

(music) The dynamic sign indicating that the piece should be played fortissimo. Abbreviation: ff.

(music) The musical notation indicating that the piece is played louder than fortissimo.

(music) The dynamic sign indicating that the piece should be played louder than fortissimo. Abbreviation: fff.

plural of fortissimo

plural of fortississimo