I
adj. ~ to (~ to danger)
II
n.
1) to call an ~
2) to place, put (troops) on ~
3) to call off, cancel an ~
4) (a) full; preliminary; red ~ (the troops were on full ~)
5) on (the) ~ (to be on the ~)
6) ( misc. ) in a state of ~
III
v. ( D ; tr. ) to ~ to (we must ~ the public to the danger)