all sweetness and light

(all) sweetness and light

1. Of a person, particularly pleasant, amiable, or magnanimous, especially to an ostentatious or exaggerated degree. That's just toddlers for you—horrible temper tantrums one moment, sweetness and light the next. She's all sweetness and light most of the time, so it's really surprising when she makes such nasty remarks.
2. Of a situation, particularly pleasant, enjoyable, or appealing. Often used in negative constructions. Anyone expecting the project to be sweetness and light from beginning to end is naïve. I know it seems like they have the perfect marriage, but it's not all sweetness and light behind closed doors.
See also: and, light, sweetness

all sweetness and light

Kind and agreeable. Susan's all sweetness and light, I'm sure she's not mad at you.
See also: all, and, light, sweetness

all sweetness and light

Cliché very kind, innocent, and helpful. She was mad at first, but after a while, she was all sweetness and light. At the reception, the whole family was all sweetness and light, but they argued and fought after the guests left.
See also: all, and, light, sweetness
References in periodicals archive ?
But just 48 hours later it was all sweetness and light as the three put on an united front for the cameras.
Not that the show was all sweetness and light, mind you.
It might be all sweetness and light just now, but wait until the lads are teenagers.