All in the wind, in seamen's language, is a phrase denoting that the sails are parallel with the course of the wind, so as to shake.

All is well is a watchman's phrase, expressing a state of safety.

All, in composition, enlarges the meaning, or adds force to a word; and it is generally more emphatical than most. In some instances, all is incorporated into words, as in almighty, already, always; but in most instances, it is an adjective prefixed to other words, but separated by a hyphen.