Letters that make on guard
a, o, d, g, n, r, u are letters that make 'on guard'
a, o, d, g, n, r, u are letters that make 'on guard'
1 possible definitions for 'on guard'
Under this definition, on guard is an adjective and has the following properties:
on one's guard(p), upon one's guard(p), on your guard have the same meaning as 'on guard'
wary is similar to on guard.
"on guard against con artists", "must remain on your guard in such a situation"