Dictionary.com
Thesaurus.com
Synonyms

formidable

American  
[fawr-mi-duh-buhl, fawr-mid-uh-buhl] / ˈfɔr mɪ də bəl, ˌfɔrˈmɪd ə bəl /

adjective

  1. causing fear, apprehension, or dread.

    a formidable opponent.

    Synonyms:
    horrible, frightful, fearful, menacing, threatening, appalling, dreadful
    Antonyms:
    pleasant
  2. of discouraging or awesome strength, size, difficulty, etc.; intimidating.

    a formidable problem.

  3. arousing feelings of awe or admiration because of grandeur, strength, etc.

  4. of great strength; forceful; powerful.

    formidable opposition to the proposal.


formidable British  
/ ˈfɔːmɪdəbəl /

adjective

  1. arousing or likely to inspire fear or dread

  2. extremely difficult to defeat, overcome, manage, etc

    a formidable problem

  3. tending to inspire awe or admiration because of great size, strength, excellence, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • formidability noun
  • formidableness noun
  • formidably adverb
  • nonformidability noun
  • nonformidable adjective
  • nonformidableness noun
  • nonformidably adverb
  • quasi-formidable adjective
  • quasi-formidably adverb
  • superformidable adjective
  • superformidableness noun
  • superformidably adverb
  • unformidable adjective
  • unformidableness noun
  • unformidably adverb

Etymology

Origin of formidable

First recorded in 1400–50; late Middle English, from French, from Latin formīdābilis “causing fear,” from formīd(āre) “to fear” + -ābilis -able

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.

But military officials and diplomats say the U.S. has built the world’s most formidable assembly of overseas military bases without owning foreign soil.

From The Wall Street Journal

“However, it now faces a formidable competitor in Amazon, which is competing on both price and access to unparalleled first-party commerce data,” Nathanson said in his latest report.

From MarketWatch

“Given Tesla’s competitive advantages in embodied AI and manufacturing scale, we expect the company to be a formidable competitor in the space.”

From The Wall Street Journal

And while it’s disappointing that such a formidable industry figure could bungle a major career pivot, at least she’ll never have to go back to parking cars.

From Salon

Even Hurricanes quarterback Carson Beck could barely believe his team had pulled off an against-the-odds victory against such a formidable opponent.

From The Wall Street Journal