close up—
1. close completely:
- The wound is closing up but underneath it it’s still a little tender and bruised.
2. come nearer to each other:
- As soon as he saw the movement of the crowd the captain gave the order to his men to close up.
3. (of a shop, etc.) close (for a short time):
- By the time we got to the main dealer’s room, it was already closing up for the day.
4. (coll.) become silent or secretive:
- We had a good conversation before I asked, but when I asked, he closed up and looked away.
close-up—
1. (Photography, TV) a shot taken from a position very close to the subject:
- The film, with a surplus of gigantic close-ups, seems more calculated to appeal to American than British audiences.
2. a detailed picture or display of smth.:
- This experience provided me with a close-up of how a halftime show is produced and executed.