1. Illumination of the night sky in urban areas

Type of: glow

Encyclopedia: Sky glow

• unpersuasiveness
• unperturbed
• unpick
• unpictured
• unpicturesque
• unpierced
• unpigmented
• unpillared
• unpin
• unpitying
• unplaced
• unplanned
• unplanted
• unplastered
• unplayable
• unplayful
• unpleasant
• unpleasant person
• unpleasant woman
• unpleasant-smelling
• unpleasantly
• unpleasantness
• unpleasing
• unpleasingness
• unpledged