Antonym: cheerless, dismal, gloomy, melancholy. Similar words: cheer, cheer up, colorful, sheer, cheek, cheese, perform, performer. Meaning: ['tʃɪəfʊl] 
adj. 1. being full of or promoting cheer; having or showing good spirits 2. pleasantly (even unrealistically) optimistic.
adj. 1. being full of or promoting cheer; having or showing good spirits 2. pleasantly (even unrealistically) optimistic. 
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61. His cheerful face brightens up the dullest of days.
62. He's infallibly cheerful, despite his difficulties.
63. Max is hardworking, cheerful, and above all honest.
64. He is a man of cheerful humour.
65. 'I'm Robyn,' she said with a cheerful smile.
66. I like cheerful,[http://sentencedict.com/cheerful.html] uplifting middle-of-the-road pop.
67. The house has a cheerful atmosphere.
68. He's changed since he came back-he seems positively cheerful.
69. He's his usual cheerful self again.
70. He made a weak attempt to look cheerful.
71. He is cheerful in spite of his illness.
72. In spite of her illness[sentencedict.com], she is relatively cheerful.
73. She masked her sufferings with a cheerful smile.
74. He was a cheerful and uncomplaining travel companion.
75. She has precious little to be cheerful about.
76. The news isn't very cheerful, I'm afraid.
77. They were exercising to the accompaniment of cheerful music.
78. She is of a nervous/cheerful/sunny disposition.
79. Danny was a cheerful little boy who loved life.
80. He is a man of cheerful humor.
81. You're in a cheerful mood this morning.
82. She was always so cheerful and full of life .
83. He's amazingly cheerful considering all he's had to go through.
84. She tends to adopt a falsely cheerful tone when she's upset about something.
85. Ortega's cheerful landscapes are the polar opposites of Miller's dark, troubled portraits.
86. I am happy and free, in good health, gay and cheerful.
87. The nursery is bright and cheerful, with plenty of toys.
88. The poor girl disguised her sorrow beneath a cheerful appearance.
89. I have this image of you as always being cheerful.
90. "The doctor is on her way, " said Mrs Morris, sounding falsely cheerful.
More similar words: cheer, cheer up, colorful, sheer, cheek, cheese, perform, performer, deer, peer, butterfly, answer for, sheet, heel, steer, interfere, pioneer, differ from, interfere in, full, in the end, engineer, awful, volunteer, pioneering, interfere with, handful, in full, at the end of, by the end of.