adj.

1. 1. Of or relating to a lower world of the dead.
   2. Of or relating to hell: infernal punishments; infernal powers.
2. Fiendish; diabolical: infernal instruments of war.
3. Abominable; awful: the infernal racket of the jackhammers.

[Middle English, from Old French, from Late Latin īnfernālis, from īnfernus, hell, from Latin, lower, underground.]

infernally in·fer'nal·ly adv.

adjective

1. Perversely bad, cruel, or wicked: devilish, diabolic, diabolical, fiendish, ghoulish, hellish, ogreish, satanic, satanical. See kind/cruel.
2. So annoying or detestable as to deserve condemnation: accursed, blasted, blessed, bloody, confounded, cursed, damn, darn, execrable. Informal blamed, damned. Chiefly British blooming, ruddy. See like/dislike.

adj

Definition: damned; underworld
Antonyms: heavenly, otherworldly

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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: an inhabitant of hell

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The adjective infernal has 5 meanings:

Meaning #1: characteristic of or resembling hell
  Pertains to noun: inferno (meaning #1)

Meaning #2: extremely evil or cruel; expressive of cruelty or befitting hell
  Synonyms: demonic, diabolic, diabolical, fiendish, hellish, satanic, unholy

Meaning #3: expletives used informally as intensifiers
  Synonyms: blasted, blame, blamed, blessed, damn, damned, darned, deuced, everlasting, goddam, goddamn, goddamned

Meaning #4: relating to or inhabiting hell
  Pertains to noun: Hell (meaning #1)

Meaning #5: being of a lower world of the dead
  Antonym: supernal (meaning #1)

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Dansk (Danish)
adj. - infernal, infernalsk, helvedes

Nederlands (Dutch)
hels, afschuwelijk

Français (French)
adj. - infernal, maudit, abominable

Deutsch (German)
adj. - höllisch, teuflisch

Ελληνική (Greek)
adj. - της κόλασης, καταχθόνιος, διαβολικός, απαίσιος, δαιμονικός, φοβερός

Italiano (Italian)
infernale

Português (Portuguese)
adj. - infernal

Русский (Russian)
дьявольский, адский

Español (Spanish)
adj. - infernal, maldito

Svenska (Swedish)
adj. - underjordisk, helvetes-, infernalisk, jäkla

中文（简体） (Chinese (Simplified))
阴间的, 恶魔的

中文（繁體） (Chinese (Traditional))
adj. - 陰間的, 惡魔的

한국어 (Korean)
adj. - 지옥의, 악마 같은, 지독한

日本語 (Japanese)
adj. - 黄泉の国の, 地獄の, 悪魔のような, ひどい

العربيه (Arabic)
‏(صفه) جهنمي, شيطاني‏

עברית (Hebrew)
adj. - ‮של הגיהינום, שטני, נתעב‬

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