fiery

adjective

fi·​ery ˈfī(-ə)-rē 

fierier; fieriest

1

a

: consisting of fire

fiery tongues playing about the roof of the burning building

b

: marked by fire

a fiery crash

c

: using or carried out with fire

the fiery experiments of the ancient alchemists

d

: liable to catch fire or explode : flammable

a fiery vapor

2

a

: hot like a fire

the fiery taste of red pepper

b(1)

: being in an inflamed state or condition

a fiery boil

(2)

: feverish and flushed

a fiery forehead

3

: of the color of fire : red

a fiery sunset

4

a

: full of or exuding emotion or spirit

a fiery sermon

b

: easily provoked : irritable

a fiery temper

fierily

ˈfī-rə-lē 

adverb

fieriness

ˈfī-rē-nəs 

noun

fiery adverb

Synonyms of fiery

• blazing
• burning
• flaming
• smoldering
• flickering

Examples of fiery in a Sentence

He was killed in a fiery crash.

the fiery Yule log made a splendid backdrop for our holiday party

Recent Examples on the Web

Ramsey is one of TV’s hottest actors right now, with previous roles including the fiery Lyanna Mormont in Game of Thrones, survivalist Ellie in The Last of Us and drug addict Kelsey in Time. — Jesse Whittock, Deadline, 8 Oct. 2026

Set in New York City, in 1982, its protagonist is a young man who gets a job at a prestigious poetry magazine where the twin editors in chief have a fiery rivalry. — Inkoo Kang, New Yorker, 7 Oct. 2026

The council’s decision — which was preceded by several fiery comments from members of the public who oppose the use of license plate readers — sends the pilot program to the public safety committee for consideration. — Los Angeles Times, 7 Oct. 2026

Meanwhile, Householder’s research suggests that rather than make a quick and fiery meal of Earth, the sun might one day nibble away at our atmosphere. — Mary Randolph, Scientific American, 5 Oct. 2026

Word History

Etymology

Middle English, from fire, fier fire

First Known Use

13th century, in the meaning defined at sense 1a

Rhymes for fiery

• diary
• friary
• priory

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Kids Definition

fiery

adjective

fi·​ery ˈfī-(ə-)rē 

fierier; fieriest

1

: being on fire : blazing

2

: hot or glowing like a fire

3

a

: full of spirit

a fiery speech

b

: easily set off

a fiery temper

fieriness noun