The term 'Slight Light' can be broken down into two crossword solutions, 'GLINT' and 'TAPER'. GLINT is a verb meaning to shine with a sudden, brief sparkle or flash of light. It is often used to describe the reflection of light off of a shiny surface. TAPER is a noun meaning a gradual decrease in thickness or width, usually from one end to the other. It is often used to describe the shape of a candle flame. Together, these two words form the phrase 'Slight Light', which can be used to describe a faint or dim light.