ruinous

adjective

ˈrü-ə-nəs How to pronounce ruinous (audio)
Definition of ruinousnext
1
as in disastrous
bringing about ruin or misfortune a ruinous miscalculation of the financial markets left them bankrupt

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Antonyms & Near Antonyms
2
as in devastating
causing or tending to cause destruction a ruinous windstorm destroyed the crops

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 ruinous In underwriting the loss can run to many times the premium, so a model that is right 95% of the time but wildly overconfident the rest can still be ruinous if its failures bunch together in the wrong place. — Dara-Abasi Ita, Forbes.com, 12 June 2026 For a multimillion-dollar data center, that disposal model is potentially ruinous. — IEEE Spectrum, 11 June 2026 With his resignation, Starmer becomes the sixth British prime minister to resign since the seismic, and ultimately ruinous, Brexit referendum vote on June 2016. — Abid Rahman, HollywoodReporter, 22 June 2026 Cassie took to OnlyFans, mostly for her own validation but partly to bail her now-husband Nate (Jacob Elordi) out of ruinous debt — reuniting her with her estranged best friend Maddy (Alexa Demie), now a talent manager. — Alison Herman, Variety, 1 June 2026 See All Example Sentences for ruinous
Recent Examples of Synonyms for ruinous
  1. disastrous
  2. devastating
  3. fatal
  4. destructive
  5. unfortunate
  6. catastrophic
Adjective
  • The last time Rushing caught Ohtani, the pitcher took over pitch-calling after a disastrous second inning against the Twins last week.
    — Maddie Lee, Los Angeles Times, 4 July 2026
  • Since his disastrous tenure with the New York Yankees from 2016 to 2022, which included a suspension for violating MLB’s Joint Domestic Violence, Sexual Assault and Child Abuse policy, Chapman has worked to turn around his career.
    — Jen McCaffrey, New York Times, 4 July 2026
Definition of disastrous
Adjective
  • In other words, a more restrictive immigration stance is not just a policy change, but presents a health care issue that could be devastating to millions of American families, said Pillai, who co-authored the KFF report.
    — Sharon Epperson, CNBC, 3 July 2026
  • Critics counter that the abrupt withdrawal of aid is already having devastating humanitarian consequences.
    — W. Gyude Moore, semafor.com, 2 July 2026
Definition of devastating
Adjective
  • Although most people recover from Legionnaires' disease with antibiotics, certain patients -- including those who are immunocompromised or who suffer from chronic lung diseases -- can develop complications that can be fatal.
    — Mary Kekatos, ABC News, 7 July 2026
  • The Grand Prairie Police Department is investigating a fatal crash in which a passenger vehicle hit a pedestrian.
    — Mary Ella Hastings July 6, Fort Worth Star-Telegram, 7 July 2026
Definition of fatal
Adjective
  • Sinlaku’s slow movement (in contrast to Bavi) worsened impacts by keeping destructive winds and torrential rain over the islands for hours, rather than moving through quickly.
    — Brad Lendon, CNN Money, 6 July 2026
  • The fire burned simultaneously with the similarly destructive Eaton Fire in Altadena and other communities in the foothills of the nearby San Gabriel Mountains.
    — Daily News, Daily News, 4 July 2026
Definition of destructive
Adjective
  • As attendees were escorted out of the Great American State Fair on Sunday because of inclement weather, guests noticed an unfortunate typo displayed on a digital billboard at the National Mall.
    — Mike Stunson, USA Today, 30 June 2026
  • They should be trained not to ask a bunch of questions about the medical condition, express doubt, comment that the timing is unfortunate or share private information with co-workers.
    — Seth Turner, Forbes.com, 30 June 2026
Definition of unfortunate
Adjective
  • On the narrow question of AI’s most catastrophic risks, the major powers are beginning to agree.
    — Mark Minevich, Forbes.com, 30 June 2026
  • Preexisting callus consistent with a repetitive stress injury leading to a catastrophic musculoskeletal failure.
    — Ann Manov, Harpers Magazine, 30 June 2026
Definition of catastrophic

Browse Nearby Words

ruining
ruinous
ruins
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Cite this Entry

“Ruinous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ruinous. Accessed 7 Jul. 2026.

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Nglish: Translation of ruinous for Spanish Speakers

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