lu ‧ cid /ˈluːsəd, ˈluːsɪd/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: lucidus ]
1 . expressed in a way that is clear and easy to understand:
You must write in a clear and lucid style.
2 . able to understand and think clearly, used especially about someone who is not always able to do this:
In her more lucid moments the old lady would talk about her past.
—lucidly adverb :
He was lucidly aware of political realities.
—lucidity /luːˈsɪdəti, luːˈsɪdɪti/ noun [uncountable]