cheerless
— Adjective
– English
~ causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place"
cheerlessly
— Adverb
– English
~ in an unhappy manner; "he cheerlessly set out to do the task"
cheerlessness
— Noun
– English
~ a feeling of dreary or pessimistic sadness