with little weight, force, intensity, etc.; gently: to press lightly on a door bell.
to only a small amount or degree; slightly: lightly fried eggs.
nimbly; quickly: to leap lightly aside.
with a lack of concern; indifferently; slightly: to think lightly of one's achievements.
cheerfully; without complaining: to take bad news lightly.
without due consideration or reason (often used negatively): an offer not to be refused lightly.
easily; without trouble or effort: Lightly come, lightly go.
frivolously; flippantly: to behave lightly.
airily; buoyantly: flags floating lightly.