give the green light (verb) accede: agree or consent
Sinonime: black, cheerless, comfortless,
dark, discouraging, disheartening, dismal, drear, dreary, funereal, gloomy,
grim,
hard,
harsh,
hopeless, joyless,
lonely, melancholy, mournful,
oppressive, sad, somber, unpromising
Antonime: cheerful,
comforting,
congenial,
encouraging,
nice,
pleasant