fierier; fieriest
1
: having or producing fire
the fiery [=blazing] interior of the furnace
He was killed in a fiery crash/explosion.
a fiery volcano
2
of food
: tasting very hot and spicy
fiery chili peppers
a fiery sauce
3
a
: having or showing a lot of strong and angry emotion
a fiery speech/sermon
a fiery young politician
fiery determination
b
: easily made angry
He has a fiery temper. [=he becomes angry very easily]
4
: having the color of fire
a fiery sunset
a fiery red/orange color
Cite this Entry
“Fiery.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/fiery. Accessed 4 Aug. 2026.
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