FRIGHTFULLY Synonyms: 138 Similar and Opposite Words

frightfully

adverb

Definition of frightfully

as in extremely

to a great degree that coat is frightfully expensive, so don't spill anything on it

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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.

Recent Examples of frightfully Take inspiration from Anthro and fill them up with a frightfully delicious Halloween cocktail this fall. — Sophia Beams, Better Homes & Gardens, 8 July 2026 None of us knows what will occur — and so far, guessing about the outcome has been frightfully dangerous and has yielded nothing investable. — Jim Cramer, CNBC, 19 Apr. 2026 His bone-crushing jaws ready, William frightfully honed in on his prey — bathing suit-clad me. — Norma Meyer, Oc Register, 26 Nov. 2025 Plan early, because these fill up frightfully fast. — Haadiza Ogwude, Cincinnati Enquirer, 15 Oct. 2025 Ludilo 100-Piece Bat Wall Decal Stickers From walls to windows, doors, tables, mirrors, and more, these best-selling bat stickers help transform every inch of your space into frightfully fun Halloween decor. — Mia Huelsbeck, PEOPLE, 30 Sep. 2025 From deciding how to decorate your house with frightfully tasteful touches to picking out the best candy, there’s plenty to do before October 31. — Ella Cerón, Parents, 16 Sep. 2025

Recent Examples of Synonyms for frightfully

Adverb

Some wondered whether Schrödinger’s equation might be an approximation that works extremely well at the microscopic scale but breaks down at the macroscopic scale, which would mean the measurement postulate of the Copenhagen interpretation is right.

— Philipp Strasberg, Scientific American, 20 Oct. 2026
In the meantime, no one should refrain from using sunscreen, which is extremely well-proven to cause cancer.

— Tracy Middleton, Allure, 19 Oct. 2026

Definition of extremely

Adverb

One of the other things that Claude noticed was that these array of associated reverse transcriptases seem to be isolated to jumbo phages, which have very large genomes for bacteriophage.

— Adam Kovac, Scientific American, 14 Oct. 2026
There’s very few cases where a fan actually gets to stand beside the man and add onto the man’s legacy.

— Christine Imarenezor, VIBE.com, 13 Oct. 2026

Definition of very

Adverb

Another issue is that AI detectors are still not terribly reliable, which Vara addresses in her piece, citing a number of studies to bolster the credentials of Pangram.

— James Folta, Literary Hub, 14 Oct. 2026
Probably nothing too terribly bad, especially since Denver has done it without much offensive consistency.

— Parker Gabriel, Denver Post, 7 Oct. 2026

Definition of terribly

Adverb

While these issues can be addressed, the costs can be incredibly high, and under Florida law, developers are only on the hook for anything identified within the first seven years after a building is handed over to the homeowners association.

— Denise Hruby, Miami Herald, 19 Oct. 2026
The pre-selection debates about three- or four-loss SEC squads and some team no one actually watches will prove incredibly tiresome, too.

— Tyler Estep, AJC.com, 19 Oct. 2026

Definition of incredibly

Adverb

There were some surprises in the rankings, too, with the Fendi Spy bag seeing a 127 percent spike in average resale value amid this year’s Y2K revival.

— Samantha Conti, Footwear News, 14 Oct. 2026
But while fans wait to see what happens, Davies, despite no longer being involved in the show, assured that a new series was definitely happening and there wouldn’t be too long to wait.

— Alex Ritman, Variety, 14 Oct. 2026

Definition of too

Adverb

Authorities in both countries were investigating the cyber incidents, which exposed vulnerabilities in some older refrigeration management systems and in the countries' highly efficient food supply chains.

— JOHN LEICESTER, Arkansas Online, 15 Oct. 2026
Cell-depleting therapies, which are generally considered highly effective treatments, target and remove specific immune cells.

— Melissa Rudy, FOXNews.com, 14 Oct. 2026

Definition of highly

Adverb

The Rolling Stones, down to two original members, have released their 25th studio album, Foreign Tongues, and most of it is pretty damned good.

— David Harris, SPIN, 6 July 2026
But Cleveland State was, in fact, a damned good basketball team, as were most of the double-digit seed winners in NCAA Tournament history.

— Dana O’Neil, CNN Money, 18 Mar. 2026

Definition of damned

Adverb

The Anthropic report is the latest warning issued by the company concerning rogue AI agents operating on their own and sometimes behaving badly.

— ABC News, ABC News, 13 Oct. 2026
Although the house is still standing, the interior was left so badly damaged that the family can no longer live there.

— Joan Murray, CBS News, 13 Oct. 2026

Definition of badly

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“Frightfully.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frightfully. Accessed 20 Oct. 2026.

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Synonyms of frightfully

adverb

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