sweet‧ness /ˈswiːtnəs, ˈswiːtnɪs/ noun [uncountable]
[Word Family: noun: sweet, sweetener, sweetness, sweetie; verb: sweeten; adverb: sweetly; adjective: sweet]

1. how sweet something tastes or smells:
the sweetness of the wild rose

2. how pleasant something is:
a smile of great sweetness

3. be all sweetness and light
a) to behave in a way that is very pleasant and friendly, especially when you do not normally behave like this:
She’s all sweetness and light when Paul’s around.
b) to be enjoyable and without problems:
Life is not all sweetness and light.

[TahlilGaran] Dictionary of Contemporary English ▲

sweetness
noun
I. sweet smell/taste
ADJ. natural | cloying, sickly | lingering the lingering sweetness of incense
QUANT. hint This is a full-bodied wine with just a hint of sweetness.
VERB + SWEETNESS taste

[TahlilGaran] Collocations Dictionary ▲

sweetness
II. pleasantness
ADJ. exquisite, great | saccharine (= false) She smiled with saccharine sweetness.
VERB + SWEETNESS taste to taste the sweetness of military success
PHRASES all sweetness and light People think she's all sweetness and light, but she's actually got an awful temper.

[TahlilGaran] Collocations Dictionary ▲