frightful

adjective

ˈfrīt-fəl How to pronounce frightful (audio)
Definition of frightfulnext
1
as in terrifying
causing fear a frightful sound emanated from somewhere deep within the forest

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms
2
as in gruesome
extremely disturbing or repellent I couldn't listen to the frightful details of the murder trial

Synonyms & Similar Words

Antonyms & Near Antonyms
3
as in intense
extreme in degree, power, or effect flew into a frightful fit of rage

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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 frightful Their first thought was that perhaps Jeff King had killed the Wellses’ dog, a frightful notion on its own. — Kansas City Star, 3 Feb. 2026 On the front, there might be frightful faces, either side of the belly. — Literary Hub, 28 Jan. 2026 John Tufts The weather outside is about to get frightful as a potentially dangerous winter storm crawls its way across the country. — John Tufts, IndyStar, 23 Jan. 2026 Each envelope containing the clue was inside a box filled with some frightful creature — rats, snakes, a tarantula, millipedes, and cockroaches. — Lauren Huff, Entertainment Weekly, 15 Jan. 2026 See All Example Sentences for frightful
Recent Examples of Synonyms for frightful
  1. terrifying
  2. gruesome
  3. intense
  4. formidable
  5. horrific
  6. intensive
  7. frightening
  8. horrible
Adjective
  • Set thousands of years in the future, the Blight has wiped out most of civilization, and while the name sounds gruesome and terrifying, the Blight itself is verdant and filled with flowers.
    — Ollie Barder, Forbes.com, 23 July 2026
  • The trailer shows Depp as Scrooge tormented by the terrifying spirits of Christmas, haunting him throughout the Christmas season.
    — Tanya Fedak, Variety, 23 July 2026
Definition of terrifying
Adjective
  • Multiple gruesome photos of the crime scene were exhibited on screen during the first day of the preliminary hearing Tuesday, showing a garbage bag with limbs inside, as well as Rivas’ bloody head and torso.
    — Christine Pelisek, PEOPLE, 22 July 2026
  • Directed by James Watkins and written by Mike Flanagan and Hossein Amini, the film places one of the most gruesome villains from the DC universe front and center.
    — Christian Zilko, IndieWire, 22 July 2026
Definition of gruesome
Adjective
  • His plan, scheduled for a vote at the Beach commission on Wednesday after two years of often-intense debate and revision, comes in the prosaic form of a technical zoning change.
    — Andres Viglucci, Miami Herald, 22 July 2026
  • Criticism from the political left was, predictably, swift and intense.
    — Ian Miller OutKick, FOXNews.com, 22 July 2026
Definition of intense
Adjective
  • Ulf has Silverwing and Hugh rides Vermithor, both formidable beasts.
    — Erik Kain, Forbes.com, 27 July 2026
  • The three formed a formidable frontcourt that could score, pass and defend.
    — Rob Peterson, New York Times, 26 July 2026
Definition of formidable
Adjective
  • Her family members could be seen getting emotional as the detective described the horrific scene.
    — Alex Stone, ABC News, 21 July 2026
  • The end of this horrific tableau draws a distinct difference between Loustat and Loumand.
    — Sabrina Reed, Forbes.com, 20 July 2026
Definition of horrific
Adjective
  • Hope Lodge | Sutherland, Scotland Danish billionaire Anders Holch Povlsen opened this lodge as part of his intensive, extensive investments into his adoptive home of Scotland, which he’s dubbed Wildland.
    — Laura Dannen Redman, Robb Report, 23 July 2026
  • But Kenneth Corey, who spent more than three decades at the New York City Police Department, says more intensive vetting, such as mandatory psychological evaluations, is becoming more common.
    — Meg Anderson, NPR, 23 July 2026
Definition of intensive
Adjective
  • However, changing the Social Security formula to a means-testing base, and applying it immediately to all existing Social Security recipients, is a frightening idea.
    — U T Readers, San Diego Union-Tribune, 20 July 2026
  • Panettiere's pregnancy was marked by a series of frightening health scares.
    — Stephanie Nolasco, FOXNews.com, 20 July 2026
Definition of frightening
Adjective
  • My husband holds the pamphlet close to his face in bed the next morning, my light creating a horrible glare on the glossy paper.
    — Literary Hub, Literary Hub, 20 July 2026
  • The family wants to have accountability for this horrible crime.
    — Eric Shawn, FOXNews.com, 18 July 2026
Definition of horrible

Browse Nearby Words

frightens
frightful
frightfully
See all Nearby Words

Cite this Entry

“Frightful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frightful. Accessed 28 Jul. 2026.

Copy Citation

More from Merriam-Webster on frightful

Nglish: Translation of frightful for Spanish Speakers

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!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of kludge

See Definitions and Examples »

Popular in Grammar & Usage

See More

Democracy or Republic: What's the difference?

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

Why does English have so many silent letters?

Every Letter Is Silent, Sometimes: A-Z List of Examples
See More

Popular in Wordplay

See More

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 24

Even More Bird Names that Sound Like Insults (and Sometimes Are)
See More

Popular

See More

Democracy or Republic: What's the difference?

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
chain-question-mark
Missing Link Quiz July 2026 Five seconds to figure out the word that fits bot...
See All