dim

Sense 1 verb

switch (a car's headlights) from a higher to a lower beam

Sense 2 adjective

lacking in light; not bright or harsh

a dim light beside the bed

Sense 3 verb

become dim or lusterless

the lights dimmed and the curtain rose

Sense 4 adjective

lacking clarity or distinctness

a dim figure in the distance

Sense 5 verb

make dim or lusterless

Time had dimmed the silver

Sense 6 adjective

made dim or less bright

the dimmed houselights brought a hush of anticipation

Sense 7 verb

make dim by comparison or conceal

Sense 8 adjective

offering little or no hope

the future looked black

Sense 9 verb

become vague or indistinct

The distinction between the two theories blurred

Sense 10 adjective

slow to learn or understand; lacking intellectual acuity

so dense he never understands anything I say to him