The word cheerlessnesses refers to a lack of happiness, optimism or positivity. Some antonyms for this word could be joyfulness, cheerfulness, happiness, contentment or elation. These words all represent positive feelings and emotions that are the opposite of cheerlessnesses. When we are feeling cheerful, we are usually in a state of happiness and contentment, while cheerlessnesses is often associated with sadness or depression. Words that can be used to describe the opposite of cheerlessnesses may vary depending on the context, but they all carry the connotation of positive and happy feelings.