Noah Webster
Idly
I'DLY, adverb In an idle manner; without employment.
1. Lazily; sluggishly.
2. Foolishly; uselessly; in a trifling way.
A shilling spent idly by a fool, may be saved by a wiser person.
3. Carelessly; without attention.
4. Vainly; ineffectually; as, to reason idly against truth.