The action of trifle, v.1; jesting or frivolous talk; fooling; idle, foolish, or frivolous conduct or practice; frivolous delay or waste of time…

Idle or frivolous action, trifling; playing or trifling with a matter.

The action of toy, v. (in various senses); an act or instance of this. Often with with a person or thing.

Lack of proper seriousness or solemnity. Also: capriciousness, inconstancy. Obsolete.

The action of dally, v.: toying, trifling, etc.; dalliance.

The quality or state of being flighty; giddy capriciousness, fickleness or whimsicalness.

figurative. Trifling or dalliance with a matter, cause, etc., without serious interest in it.