not sensible about practical matters; unrealistic; "as quixotic as a restoration of medieval knighthood"; "a romantic disregard for money"; "a wild-eyed dream of a world state"
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