volcanic

1 of 2

adjective

vol·​ca·​nic väl-ˈka-nik How to pronounce volcanic (audio)
vȯl-
also -ˈkā-
Synonyms of volcanicnext
1
a
: of, relating to, or produced by a volcano
b
: characterized by volcanoes
a volcanic range
c
: made of materials from volcanoes
2
: explosively violent : volatile
volcanic emotions
volcanically
väl-ˈka-ni-k(-ə)lē How to pronounce volcanic (audio)
vȯl-
also -ˈkā-
adverb

volcanic

2 of 2

noun

: a volcanic rock

Examples of volcanic in a Sentence

Adjective a man with a volcanic temper that could go off at any moment
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The cave, which was found by Hekla Tang, the snowmobile operations manager for tour company Arctic Adventures, was likely formed by meltwater and shifting ice and features a spacious chamber made of high-clarity ice streaked with layers of volcanic ash from past volcanic eruptions. Evie Carrick, Travel + Leisure, 5 Dec. 2025 Ruiz describes how the heat rises from volcanic rock and settles into your muscles with a slow steady warmth. Allison Palmer, Miami Herald, 5 Dec. 2025
Noun
Communications can turn volcanic when Mercury meets Mars in Scorpio. Usa Today, USA Today, 20 Oct. 2025 Have a walk along the serene volcanic Lake Vico and eat at Trattoria del Cimino dal 1895, an authentic Lazian trattoria steps from the palace. Fulvio De Bonis, Travel + Leisure, 17 Oct. 2025 See All Example Sentences for volcanic

Word History

First Known Use

Adjective

1776, in the meaning defined at sense 1a

Noun

1801, in the meaning defined above

Time Traveler
The first known use of volcanic was in 1776

Browse Nearby Words

Cite this Entry

“Volcanic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volcanic. Accessed 13 Dec. 2025.

Kids Definition

volcanic

adjective
vol·​ca·​nic
väl-ˈkan-ik
vȯl-
also -ˈkān-
1
a
: of, relating to, or produced by a volcano
a volcanic eruption
b
: made of materials from volcanoes
volcanic dust
2
: explosively violent
a volcanic rage

More from Merriam-Webster on volcanic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!