Dalliance/ˈdæliəns/ Definition 1 of 2Pro Tip 1/3Brief Relationship Emphasizes temporary and non-serious nature of a romantic or sexual relationship. Their summer dalliance ended as quickly as it began. Pro Tip 2/3Not True Love Indicates a relationship without deep affection, often more for fun. She dismissed their dalliance as nothing serious. Pro Tip 3/3Slight Disapproval May carry a negative connotation, implying irresponsibility or frivolity. His dalliances are well-known and frowned upon by his family.