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Definitions

igneous

[ig-nee-uhs] / ˈɪg ni əs /
ADJECTIVE
fiery
Synonyms
STRONGEST
blazing burning combustible excitable fierce flaming glowing heated hot impassioned intense red-hot spirited vehement violent
WEAK
ablaze afire aflame agitable alight choleric conflagrant enthusiastic febrile fervid fevered feverish flaring flickering flushed hot-blooded hot-headed hot-tempered ignited impetuous impulsive in flames inflamed irascible irritable madcap peppery perfervid precipitate unrestrained
Antonyms
STRONGEST
apathetic calm cold cool dull gentle indifferent mild moderate passive peaceful unexcited unhappy
WEAK
flat impassive subdued
ADJECTIVE
hot
Synonyms
STRONGEST
blazing boiling heated humid red scorching sizzling sultry sweltering torrid tropical warm white
WEAK
baking blistering broiling burning calescent close decalescent febrile fevered feverish feverous fiery flaming incandescent like an oven on fire ovenlike parching piping recalescent roasting scalding searing smoking steaming stuffy summery sweltry thermogenic tropic very warm
Antonyms
STRONGEST
arctic cold cool dry freezing frigid
WEAK
calm indifferent mild moderate old old-fashioned out turned off unfeeling unpopular
ADJECTIVE
molten
Synonyms
STRONG
fused glowing liquefied smelted
ADJECTIVE
plutonic
Synonyms
WEAK
abyssal cimmerian infernal
ADJECTIVE
pyretic
Synonyms
WEAK
baking blazing blistering boiling broiling burning calescent close decalescent febrific febrile fevered feverish feverous fiery flaming heated hectic humid incandescent like an oven on fire ovenlike parching piping recalescent red roasting scalding scorching searing sizzling smoking steaming stuffy sultry summery sweltering sweltry thermogenic torrid tropic tropical very warm warm white
ADJECTIVE
roasting
Synonyms
STRONG
baking blazing blistering boiling broiling burning close flaming heated parching piping red scalding scorching searing sizzling smoking steaming sweltering tropic warm white
WEAK
ardent calescent decalescent febrile fevered feverish feverous fiery humid incandescent like an oven on fire ovenlike recalescent red-hot stuffy sultry summery sweltry thermogenic torrid tropical very warm
Antonyms
STRONG
cold cool freezing happy unfriendly
ADJECTIVE
scalding
Synonyms
STRONGEST
blazing blistering boiling incandescent scorching searing sizzling sweltering
STRONG
baking broiling burning close flaming heated parching piping roasting smoking steaming warm white
WEAK
ardent calescent decalescent febrile fevered feverish feverous fiery humid like an oven on fire ovenlike recalescent red red-hot stuffy sultry summery sweltry thermogenic torrid tropic tropical very warm
Antonyms
STRONGEST
freezing
STRONG
cold cool unfriendly
ADJECTIVE
searing
Synonyms
STRONGEST
baking blazing blistering fiery incandescent scalding scorching sizzling sweltering torrid
STRONG
boiling broiling burning close flaming heated parching piping roasting smoking steaming warm white
WEAK
ardent calescent decalescent febrile fevered feverish feverous humid like an oven on fire ovenlike recalescent red red-hot stuffy sultry summery sweltry thermogenic tropic tropical very warm
Antonyms
STRONGEST
cold cool freezing
STRONG
happy unfriendly
ADJECTIVE
sizzling
Synonyms
STRONGEST
baking blazing blistering fiery red-hot scalding scorching searing sweltering torrid
STRONG
boiling broiling burning close flaming heated parching piping roasting smoking steaming warm white
WEAK
ardent calescent decalescent febrile fevered feverish feverous humid incandescent like an oven on fire ovenlike recalescent red stuffy sultry summery sweltry thermogenic tropic tropical very warm
Antonyms
STRONGEST
cold cool freezing
STRONG
happy unfriendly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Heavy rare earths are formed over millions of years, as rainfall weathers igneous rocks, breaking them down and leaving elements concentrated near the surface.

From Barron's • Dec. 21, 2025

"Our capability to infer that the maturation stages were somehow influenced by igneous intrusions based on a small sample size is really exciting!"

From Science Daily • May 7, 2024

Now if you were awake in high school science class, you’re thinking, igneous rock: volcanic lava.

From Los Angeles Times • May 3, 2024

No geologist would dispute that shale and igneous rocks are rocks.

From Slate • Apr. 27, 2024

They are common constituents of microcrystalline igneous rocks, and often occur as inclusions in larger crystals of other substances.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.