calamitous

adjective

kə-ˈla-mə-təs How to pronounce calamitous (audio)
Definition of calamitousnext
1
as in disastrous
bringing about ruin or misfortune a calamitous decision to sell their products online exclusively ruined the business

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms
2
as in devastating
causing or tending to cause destruction a calamitous flood that destroyed the town's central business district

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 calamitous Brown was married at the church altar in the spring of ‘93, months before that calamitous summer. — Andrew Carter, Chicago Tribune, 5 July 2026 The entire season to that point had taken place over the course of one evening, and, in a breath of fresh air, the finale spans the days following that calamitous — but ultimately successful — service. — Ethan Shanfeld, Variety, 26 June 2026 His grief was crushing, paralyzing, calamitous. — Lois K. Solomon, Sun Sentinel, 22 June 2026 There was an irony, then, that Romo was responsible for their winning goal — profiting from a calamitous defensive mix-up between South Korean goalkeeper Kim Seung-gyu and defender Lee Gi-hyuk in the 50th minute. — Jacob Whitehead, New York Times, 19 June 2026 See All Example Sentences for calamitous
Recent Examples of Synonyms for calamitous
  1. disastrous
  2. devastating
  3. fatal
  4. destructive
  5. unfortunate
  6. catastrophic
Adjective
  • Hopefully that comes with less disastrous results than Bear’s wish.
    — Savannah Salazar, Vulture, 17 July 2026
  • If a presidential administration were to decide that research in a specific area was no longer important for political reasons, that could have disastrous consequences for our nation.
    — Felix V. Matos Rodriguez, New York Daily News, 17 July 2026
Definition of disastrous
Adjective
  • The Five Star Weekend follows Jennifer Garner as Hollis Shaw, a famed cook and best-selling author known for her delicious recipes, impeccable taste, and warm demeanor, who suffers a devastating loss.
    — Katie Campione, Deadline, 17 July 2026
  • Using examples like incidental lung nodules, the piece illustrates how AI can ensure timely follow-ups and coordinated care, preventing devastating delays.
    — Demetri Giannikopoulos, Forbes.com, 17 July 2026
Definition of devastating
Adjective
  • Authorities have taken a suspect into custody following a fatal shooting Sunday night in Round Lake Beach.
    — Clifford Ward, Chicago Tribune, 20 July 2026
  • As cars and roads multiplied, accidents began to pile up; by the mid-sixties, there were more than fifty thousand fatal highway accidents per year.
    — Charles Bethea, New Yorker, 20 July 2026
Definition of fatal
Adjective
  • Two of Canada’s most destructive wildfire seasons occurred in 2023 and 2025, and the last three fire seasons were among the 10 worst on record.
    — Jeremy Hsu, ArsTechnica, 17 July 2026
  • The Federalist Papers include proposals for institutional solutions that sought to redirect the destructive drives of individuals toward positive social ends.
    — Donovan Fifield, The Conversation, 16 July 2026
Definition of destructive
Adjective
  • Healthcare has an unfortunate tendency to confuse organizational structure with progress.
    — Sachin H. Jain, Forbes.com, 11 July 2026
  • This leads to another unfortunate confrontation with a Bowden parent, as Tom drags Cady into the street and beats him up in full view of lookie-loos with phone cameras.
    — Scott Tobias, Vulture, 10 July 2026
Definition of unfortunate
Adjective
  • The threat of catastrophic flooding won’t ease up until Friday, as storms drop rain at 2 to 4 inches per hour.
    — Mary Gilbert, CNN Money, 15 July 2026
  • The National Weather Service warned that storms overnight could dump more than a foot of additional rain to some places into Wednesday, creating potentially catastrophic impacts from flash flooding in areas west of San Antonio.
    — ABC News, ABC News, 14 July 2026
Definition of catastrophic

Browse Nearby Words

calamities
calamitous
calamity
See all Nearby Words

Cite this Entry

“Calamitous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/calamitous. Accessed 21 Jul. 2026.

Copy Citation

More from Merriam-Webster on calamitous

Nglish: Translation of calamitous 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 dog days

See Definitions and Examples »

Popular in Grammar & Usage

See More

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

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

Why do we say 'fly off the handle'?
See More

Popular

See More

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

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat
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
thumbnail graphic with text word of the day quiz
Weekly "Word of the Day" Quiz See how well you know each Word of the Day for Ju...
See All