With the head first or foremost.

plural of eighty-first

plural of seventy-first

plural of first gear

(literally) One's first experience of the feeling of romantic love. / (by extension) The first person to be the object of one's romantic affection.

plural of first slip

malapropism of at first blush

(sports) A player's initial contact with the moving ball, used to get the ball under control.

The official nickname for the state of Delaware in the United States of America.

plural of double first