Eunoia is the shortest English word containing all five main vowel graphemes.
(rhetoric) Goodwill towards an audience, either perceived or real; the perception that the speaker has the audience's interest at heart.
(medicine, psychology) A state of normal adult mental health.
Origin
From Ancient Greek εὔνοια (eunoia, “goodwill”, literally “beautiful thinking”), from εὖ (eu, “well, good”) + νόος (noos, “mind, spirit”).
A slang term used to describe a bald person, typically someone who is completely bald or has a closely shaved head. The term is derived from the infamous, hairless kids’ cartoon character of the same name.
Example 1:
“Did you see that caillou over there? His head is reflecting the sun like a disco ball.”
Example 2:
“I think Dave is finally accepting his hair loss. He just went full caillou and shaved the whole thing off.”