Alternative form of headfirst

With the head first or foremost.

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.

(UK) A first-class degree in both classics and mathematics. / (UK) One who achieves such a degree.

plural of first inversion