← BackshareGuessuncheerful/ʌnˈtʃɪrfəl/adjectiveNot happy or cheerful; sad or gloomy.After hearing the bad news, she had an uncheerful expression all day.His uncheerful tone told me he didn't want to talk about it.The rainy weather made the whole room feel uncheerful.SynonymssadgloomyAntonymscheerfulhappy