"writes in a limpid style" "lucid directions" "a luculent oration" "pellucid prose" "a crystal clear explanation" "a perspicuous argument"
"a lucid moment in his madness"
"a lucid thinker" "she was more coherent than she had been just after the accident"
"the cold crystalline water of melted snow" "crystal clear skies" "could see the sand on the bottom of the limpid pool" "lucid air" "a pellucid brook" "transparent crystal"
