DASTARDLY Synonyms: 61 Similar and Opposite Words

Q: How does the adjective 'dastardly' differ from other similar words?

Some common synonyms of dastardly are cowardly , craven , and pusillanimous . While all these words mean "having or showing a lack of courage," dastardly often implies behavior that is both cowardly and treacherous or skulking or outrageous. // a dastardly attack on unarmed civilians

Q: When is it sensible to use 'cowardly' instead of 'dastardly'?

The synonyms cowardly and dastardly are sometimes interchangeable, but cowardly implies a weak or ignoble lack of courage. // a cowardly failure to stand up for principle

Q: Where would 'craven' be a reasonable alternative to 'dastardly'?

The words craven and dastardly can be used in similar contexts, but craven suggests extreme defeatism and complete lack of resistance. // secretly despised her own craven yes-men

Q: When would 'pusillanimous' be a good substitute for 'dastardly'?

While the synonyms pusillanimous and dastardly are close in meaning, pusillanimous suggests a contemptible lack of courage. // the pusillanimous fear of a future full of possibility

dastardly

adjective

ˈda-stərd-lē

Definition of dastardly

as in cowardly

having or showing a shameful lack of courage his dastardly conduct in a critical moment haunted him for the rest of his life

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How does the adjective dastardly differ from other similar words?

Some common synonyms of dastardly are cowardly, craven, and pusillanimous. While all these words mean "having or showing a lack of courage," dastardly often implies behavior that is both cowardly and treacherous or skulking or outrageous.

a dastardly attack on unarmed civilians

When is it sensible to use cowardly instead of dastardly?

The synonyms cowardly and dastardly are sometimes interchangeable, but cowardly implies a weak or ignoble lack of courage.

a cowardly failure to stand up for principle

Where would craven be a reasonable alternative to dastardly?

The words craven and dastardly can be used in similar contexts, but craven suggests extreme defeatism and complete lack of resistance.

secretly despised her own craven yes-men

When would pusillanimous be a good substitute for dastardly?

While the synonyms pusillanimous and dastardly are close in meaning, pusillanimous suggests a contemptible lack of courage.

the pusillanimous fear of a future full of possibility

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 dastardly All that was left was a single high heel, no doubt dislodged after the host put up an epic struggle against her dastardly kidnapper. — Dalton Ross, Entertainment Weekly, 6 July 2026 Saving people from dastardly supervillains and disastrous earthquakes, those are jobs for Superman. — Brian Truitt, USA Today, 1 July 2026 His dastardly scheme involves using Kryptonian tech to build an all-new continent off the coast of Metropolis — even after all these years, he's still obsessed with real estate. — Richard Edwards, Space.com, 28 June 2026 My earliest World Cup memory—a six-year-old’s spiral of indignation and despair—is of Diego Maradona’s dastardly Hand of God, which eliminated England in the quarterfinals of the 1986 edition, in Mexico. — Sam Knight, New Yorker, 1 June 2026 See All Example Sentences for dastardly

Recent Examples of Synonyms for dastardly

Adjective

The cowardly, devious Turgeniev has assimilated to the comforts of the West —that alone is enough for Fyodor to detest him.

— Carlos Aguilar, Variety, 5 Sep. 2026
What’s left is a vaguely political YouTube series afraid of its own tail, incapable of being actually relatable and too cowardly to own the batshit truths of these people’s lives.

— Kathryn VanArendonk, Vulture, 26 Aug. 2026

Definition of cowardly

Adjective

The Florida International University senior struggled to attend classes and stopped driving – afraid something bad would happen.

— ABC News, ABC News, 9 Sep. 2026
The 6-foot-6, 238-pounder is basically a gigantic receiver who isn’t afraid to put his hand in the dirt and block.

— Nick Baumgardner, New York Times, 9 Sep. 2026

Definition of afraid

Adjective

She was especially hurt that some of the people who criticized Cox most harshly, dismissing him as craven and disingenuous, were those who had the closest relationships with him.

— McKay Coppins, The Atlantic, 27 Aug. 2026
Not an inspiration for craven pundits and politicians to use players as divisive avatars.

— Brian Hamilton, New York Times, 2 July 2026

Definition of craven

Adjective

Some also have lost lawyers, dismayed by the pusillanimous behavior of their leaders.

— Michael Hiltzik, Los Angeles Times, 28 May 2025
The second believed the United States could attain comprehensive security through military-technological means and saw diplomacy as a quixotic or pusillanimous enterprise that dishonored and weakened the country.

— A. Wess Mitchell, Foreign Affairs, 22 Apr. 2025

Definition of pusillanimous

Adjective

While gold is off its record highs from early this year, its price of around $4,400 per ounce is still well elevated versus history, with Goldman Sachs forecasting the yellow metal to reach $4,900 by year-end on the back of central bank buying.

— Joanna Ossinger, CNBC, 9 Sep. 2026
This pass map shows the dangerous positions Rashford has put Shaw into with the ball (yellow arrows) — three are in the box and two are on the edge of it.

— Laurie Whitwell, New York Times, 9 Sep. 2026

Definition of yellow

Adjective

Yes, Arsenal fan Neel from New Delhi held his nerve on the final day to shake off the persistent and heroic challenge of six-year-old Wilfred — and the meandering, distinctly unheroic challenge of a 51-year-old journalist.

— Oliver Kay, New York Times, 26 May 2026
That larger significance is remarkably unheroic and fatalistic.

— Gabriel Winslow-Yost, Harper's Magazine, 23 Sep. 2024

Definition of unheroic

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“Dastardly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dastardly. Accessed 13 Sep. 2026.

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