Dictionary.com

infernal

[ in-fur-nl ]
/ ɪnˈfɜr nl /
See synonyms for: infernal / infernally on Thesaurus.com

adjective

hellish; fiendish; diabolical: an infernal plot.
extremely troublesome, annoying, etc.; outrageous: an infernal nuisance.
of, inhabiting, or befitting hell.
Classical Mythology. of or relating to the underworld.

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seclusion
a false belief or opinion.
the matter that settles to the bottom of a liquid.
the state of being isolated, kept apart, or withdrawn into solitude.
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Origin of infernal

1325–75; Middle English <Late Latin infernālis, equivalent to Latin infern(us) situated below, of the underworld (see inferior) + -ālis-al1

OTHER WORDS FROM infernal

in·fer·nal·i·ty, nounin·fer·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Words related to infernal

demonic, malevolent, hellish, devilish, wicked, lower, accursed, confounded, cursed, damnable, diabolical, execrable, fiendish, malicious, monstrous, nether, satanic, subterranean, blamed, blasted

Example sentences from the Web for infernal

British Dictionary definitions for infernal

infernal
/ (ɪnˈfɜːnəl) /

adjective

of or relating to an underworld of the dead
deserving hell or befitting its occupants; diabolic; fiendish
informal irritating; confounded

Derived forms of infernal

infernality, nouninfernally, adverb

Word Origin for infernal

C14: from Late Latin infernālis, from infernus hell, from Latin (adj): lower, hellish; related to Latin inferus low
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012