clouding up (verb) darken: become shaded, unlit
Sinonime: cogent,
conclusive,
detailed, diagnostic,
discrete, dissecting, explanatory, expository, inquiring,
inquisitive, interpretive, investigative,
judicious,
logical,
organized,
penetrating,
perceptive, perspicuous,
precise, problem-solving,
questioning, ratiocinative,
rational,
reasonable,
scientific,
searching,
solid,
sound,
studious,
subtle,
systematic,
testing,
thorough,
valid, well-grounded
Antonime: brighten,
illuminate, lighten, whiten