the GNU version of the Collaborative International Dictionary of English
n. Frivolous or bantering talk; a frivolous manner of treating any subject, whether serious or otherwise; light raillery.
The Century Dictionary and Cyclopedia
n. Light, flippant banter; idle, bantering talk or humor; an ironical, frivolous, or jeering style of treating or regarding a subject, however serious it may be.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. light teasing
Word Usage
"I asked her if she really thought dangerous papist ideas were kneaded in with the bread, but she would not listen to my mild "persiflage," and went away rather anxious about my spiritual welfare."