Gleam unsteadily, flicker (7)
I believe the answer is:
shimmer
(Other definitions for shimmer that I've seen before include "Gleam tremulously" , "glow" , "Glisten (on water?)" , "Twinkle" , "Shine tremulously" .)
I believe the answer is:
shimmer
(Other definitions for shimmer that I've seen before include "Gleam tremulously" , "glow" , "Glisten (on water?)" , "Twinkle" , "Shine tremulously" .)