(adj): vs. light) -- (devoid of or deficient in light or brightness; shadowed or black
(adj): lacking clarity or distinctness
(adj): vs. distinct) -- (not clearly defined or easy to perceive or understand
(adj): vs. undimmed), dim -- (made dim or less bright
(adj): prenominal) -- (used of headlights
(adj): offering little or no hope
(adj): vs. hopeful) -- (without hope because there seems to be no possibility of comfort or success
(adj): slow to learn or understand; lacking intellectual acuity
(adj): vs. smart) -- (lacking or marked by lack of intellectual acuity
(v): switch (a car's headlights) from a higher to a lower beam
(v): increase or decrease in intensity
(v): become dim or lusterless
(v): undergo a change; become different in essence; losing one's or its original nature
(v): make dim or lusterless
(v): make dark or darker
(v): make dim by comparison or conceal
(v): make dark or darker
(v): become vague or indistinct
(v): become weaker
Context: "it doesn't treat the reader as dim or ignorant in any way" (on The Golden Compass)