air drag
noun
Resistance to the passage of an object through the air.
Origin
1920s.
- keep one's chin up
- keep one's countenance
- keep one's distance
- keep one's eye on (or take one's eye off) the ball
- keep one's eyes open (or peeled or skinned)
- keep one's feet
- keep one's fingers crossed
- keep one's hands clean
- keep one's head
- keep one's head above water
- keep one's head down
- keep one's mouth shut
- keep one's nose clean
- keep one's nose out of
- keep one's nose to the grindstone
- keep one's own counsel
- keep one's powder dry
- keep one's side of the bargain
- keep one's word
- keep (or archaic bear) someone company
- keep (or eat) kosher
- keep (or hold) one's end up
- keep (or leave) one's options open
- keep (or lose) one's cool
- keep (or lose) one's temper