Darn

darn¹
(also darned) adj., adv.
1 a mild swearword, not as strong as 'damn' and 'damned': You're darned right! • Where's the darn key? • a darn good book
2 Darn! or Darn it! interj.: Darn it! I cut my finger.
darn²
v. (darns, darning, darned)
to mend a hole in a piece of clothing by sewing over it: to darn socks