Definition: consider not very seriously
Usage: He is trifling with her; She plays with the thought of moving to Tasmania
Definition: talk or behave amorously, without serious intentions
Usage: The guys always try to chat up the new secretaries; My husband never flirts with other women
Definition: waste time
Usage: Get busy--don't dally!
Definition: behave carelessly or indifferently
Usage: Play about with a young girl's affection