© 2026 Sloth Lingo. Learn easy. Lounge wisely.

igneous

Upper-Intermediate (B2)

IPA: /ˈɪɡ.ni.əs/

KK: /ˈɪɡniəs/

adjective
Definition

Relating to rocks that are formed from the cooling and solidification of molten material, such as magma or lava.


Example

The igneous rock was formed from cooled lava after the volcanic eruption.


Conversation
Sloth A
Did you know that some rocks are igneous?
Sloth B
Yeah, I've heard that before! What does it mean exactly?
Sloth A
It means they are formed from cooled magma or lava.
Sloth B
That's interesting! I love learning about geology.

Synonyms & Antonyms
Synonyms
volcanic
pyrogenic
magma
Antonyms
sedimentary
metamorphic
nonvolcanic
Root Explanation

Igneous → It is formed from "ignis" (meaning fire) in Latin. The word "igneous" refers to rocks or minerals that are formed from the solidification of molten material, hence relating to fire.

Memory Tip

Think of 'fire' ('ignis') to remember that 'igneous' refers to rocks formed from molten material, like those created by volcanic activity.

Visually Confused Words
ligneous
digeneous
virgineous
ignigenous
igniferous
sinewous
inermous
idoneous
Is this page helpful?