Here are the possible solutions for was fleetingly brilliant clue
Answer
Clue
Relevancy
glinted
Clue
Was fleetingly brilliant
Definition
GLINT, to glitter, also GLENT
catchaglimpseof
Clue
Spot fleetingly
aha
Clue
"Brilliant!"
"That's brilliant!"
"How brilliant!"
Definition
an interjection expressing exultation
aldebaran
Clue
Brilliant orange star of the northern sky
alea
Clue
"Give Schweppes Ginger ___ try!" (brilliant soda slogan I just made up) (this clue dedicated to the great Merl Reagle, the master of saving weak entries; RIP, Merl)