lu·cid 
/ˈlu:səd/ adjective
/ˈlu:səd/ adjective [more lucid; most lucid] 1 : very clear and easy to understand
▪ a lucid explanation ▪ lucid prose 2 : able to think clearly
▪ The patient has remained lucid [=clearheaded] throughout his illness. ▪ He is able to recognize his wife in his lucid moments.
▪ a lucid explanation ▪ lucid prose
▪ The patient has remained lucid [=clearheaded] throughout his illness. ▪ He is able to recognize his wife in his lucid moments.
— lu·cid·i·ty /luˈsɪdəti/ noun [noncount]
▪ the lucidity of the explanation
/luˈsɪdəti/ noun [noncount] ▪ the lucidity of the explanation
— lu·cid·ly adverb
▪ The problem was lucidly explained.
▪ The problem was lucidly explained.
