characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
tending to float on a liquid or rise in air or gas; "buoyant balloons"; "buoyant balsawood boats"; "a floaty scarf"
lacking in light; not bright or harsh; "a dim light beside the bed"; "subdued lights and soft music"
lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood"
make dim or lusterless; "Time had dimmed the silver"
become dim or lusterless; "the lights dimmed and the curtain rose"
switch (a car's headlights) from a higher to a lower beam