Synonym: blitheness, cheer, sunniness, sunshine. Similar words: wonderfulness, cheerful, cheerfully, carefulness, joyfulness, playfulness, wastefulness, watchfulness. Meaning: ['tʃɪrfʊlnɪs /'tʃɪəf-] 
n. 1. the quality of being cheerful and dispelling gloom 2. a feeling of spontaneous good spirits.
n. 1. the quality of being cheerful and dispelling gloom 2. a feeling of spontaneous good spirits. 
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1 Cheerfulness and goodwill make labour light. 
2 Health and cheerfulness mutually beget each other.
3 Cheerfulness is the best promoter of health.
4 She alternated between cheerfulness and deep despair.
5 Their cheerfulness seemed rather strained and artificial.
6 She sparkled with cheerfulness and good humour.
7 Cheerfulness doesn't always imply happiness.
8 I hate the hostesses' false cheerfulness and plastic smiles.
9 The word 'plump' connotes cheerfulness.
10 She knew that her efforts to feign cheerfulness weren't convincing.
11 Mrs Saulitis's cheerfulness was lost for once.
12 Peter performed this function with maximum cheerfulness for the last two pre-war years and the first two afterwards.
13 In comparison, cheerfulness lightens the voice,(www.Sentencedict.com) and is likely to be reflected in a smiling expression.
14 I wave a fluttery wave of inconsequential cheerfulness and close the door, having reached new heights of cynical disinterest.
15 For all her cheerfulness it was painfully obvious that she was feeling awful.
16 May everything beautiful and best be condensed into this card. I sincerely wish you happiness, cheerfulness and success.
17 I remember this extraordinary man with particular affection for his unfailing cheerfulness.
18 Working through these difficult times is a challenge for all our staff who have maintained their integrity, application and cheerfulness.
19 Rain watched her for the last few yards, noting how the morning's cheerfulness had been replaced by anxiety.
20 Fairbrother was shuffling reluctantly out of the stone doorway as he returned, and Richard greeted him with sarcastic cheerfulness.
21 The late afternoon slid into night, bringing a touch of frost and sapping the last of warmth and cheerfulness.
22 Health is the condition of wisdom, and the sign is cheerfulness, - an open and noble temper. Ralph Waldo Emerson
23 Now he'd organized his life he felt slightly more cheerful, and cheerfulness always made him hungry.
24 Despite being restricted to a wheelchair he retains his cheerfulness and was always at Hove when Sussex played Warwickshire.
25 She hummed quite happily again, her two red cheeks exuding her interrupted cheerfulness.
26 Shanti and Chris were very helpful in every way, and Shanti's ready laughter and general cheerfulness was a great comfort.
27 Even the policeman on the corner demanding money did not subdue the cheerfulness of hope.
28 Whatever it is, they say it hundreds of times an hour with endless patience and cheerfulness.
29 The news of Joanna was good and, listening to the description of her cheerfulness, Sophie felt her own courage returning.
30 The parent's intention is often to protect so they hide tears and sorrowing putting on a ghastly pretence of cheerfulness.
More similar words: wonderfulness, cheerful, cheerfully, carefulness, joyfulness, playfulness, wastefulness, watchfulness, faithfulness, peacefulness, gracefulness, thankfulness, unlawfulness, truthfulness, gratefulness, resourcefulness, thoughtfulness, fullness, cheer, powerful, cheery, wonderful, cheer up, powerfully, wonderfully, illness, coolness, wellness, stillness, casualness.