not capable of being distinguished or differentiated; "the two specimens are actually different from each other but the differences are almost indistinguishable"; "the twins were indistinguishable"; "a colorless person quite indistinguishable from the colorless mass of humanity"
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
not precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefined sense of excitement"; "vague feelings of sadness"; "a vague uneasiness"
not decided or not known; "were indefinite about their plans"; "plans are indefinite"
vague or not clearly defined or stated; "must you be so indefinite?"; "amorphous blots of color having vague and indefinite edges"; "he would not answer so indefinite a proposal"
not clearly defined or easy to perceive or understand; "indistinct shapes in the gloom"; "an indistinct memory"; "only indistinct notions of what to do"