frighteningly

ADVERB

fiercely

Synonyms

STRONGEST

angrily boldly brutally ferociously forcefully frantically furiously madly mightily passionately savagely severely vehemently viciously wildly

WEAK

awfully forcibly frenziedly hard horribly impetuously in a frenzy irresistibly like cats and dogs maleficiently malevolently malignly monstrous no holds barred riotously roughly stormily tempestuously terribly threateningly tigerishly tooth and nail turbulently uncontrollably venomously with bared teeth

Antonyms

STRONGEST

calmly gently

WEAK

kindly mildly quietly tamely

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.

frighteningly

What made it such an effective thriller was that it all seemed so frighteningly real.

From BBC ● Jul. 20, 2026

It is manufactured every day—and rests on a frighteningly fragile system.

From The Wall Street Journal ● Jul. 5, 2026

Now that AI is frighteningly good at so many things, Elm revived the challenge.

From The Wall Street Journal ● Jun. 18, 2026

But while his fever eventually lifted, frighteningly intense cognitive symptoms descended.

From Los Angeles Times ● Mar. 14, 2026

Chip’s imitation of Jonah’s voice was frighteningly accurate.

From "Found" by Margaret Peterson Haddix

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