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as in thin
not containing very much of some important element the coffee came out too weak because I didn't use enough ground beans

Synonyms & Similar Words

Antonyms & Near Antonyms

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Synonym Chooser

How does the adjective weak contrast with its synonyms?

Some common synonyms of weak are decrepit, feeble, fragile, frail, and infirm. While all these words mean "not strong enough to endure strain, pressure, or strenuous effort," weak applies to deficiency or inferiority in strength or power of any sort.

felt weak after the surgery

When is it sensible to use decrepit instead of weak?

The synonyms decrepit and weak are sometimes interchangeable, but decrepit implies being worn-out or broken-down from long use or old age.

the dowager's decrepit retainers

In what contexts can feeble take the place of weak?

Although the words feeble and weak have much in common, feeble suggests extreme weakness inviting pity or contempt.

a feeble attempt to walk

When might fragile be a better fit than weak?

While in some cases nearly identical to weak, fragile suggests frailty and brittleness unable to resist rough usage.

a reclusive poet too fragile for the rigors of this world

When is frail a more appropriate choice than weak?

The meanings of frail and weak largely overlap; however, frail implies delicacy and slightness of constitution or structure.

a frail teenager unable to enjoy sports

Where would infirm be a reasonable alternative to weak?

The words infirm and weak are synonyms, but do differ in nuance. Specifically, infirm suggests instability, unsoundness, and insecurity due to old age or crippling illness.

infirm residents requiring constant care

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Recent Examples of weak Outdated equipment, weak Wi-Fi signals, rare network congestion or device limitations can all affect performance. Roxanne Downer, USA Today, 15 Sep. 2025 The issue of weak domestic consumption has been brought into sharper relief by threats now facing China's exports. Hugh Cameron, MSNBC Newsweek, 15 Sep. 2025 Millions of people are denied that freedom every day—not by weak willpower, but by a system designed to make unhealthy living the default. William Warr, Time, 15 Sep. 2025 Just compete, try to get in the zone, get some weak contact. Fabian Ardaya, New York Times, 15 Sep. 2025 See All Example Sentences for weak
Recent Examples of Synonyms for weak
Adjective
  • These symptoms are more likely to appear in kittens or felines with weakened immune systems.
    Liz O'Connell, MSNBC Newsweek, 12 Sep. 2025
  • While most healthy people can recover in four to seven days without treatment, some vulnerable people, like children under 5, adults 65 and older, and those with weakened immune systems, may experience more severe illness that requires medical treatment or hospitalization.
    Mary Walrath-Holdridge, USA Today, 10 Sep. 2025
Adjective
  • Athletique There is something edgy yet soft about a funnel-neck in a technical fabric—lean in and pair a wind- and water-resistant shell with trousers and sneakers for a touch of sport, or style it with a pencil skirt and kitten heels for a more feminine feel.
    Andrea Zendejas, Vogue, 16 Sep. 2025
  • Swift wore Elson 4, the brand’s best-selling blue-red, but the bullet-proof formula comes in 12 beautiful hues ranging from a soft beige peach (Nude Cabaret) to a deep bronzed rose (Flesh 3).
    Sophia Panych, Allure, 16 Sep. 2025
Adjective
  • Leaders who pay attention to these lessons now will be best prepared to thrive in a world where the boundaries between Earth and orbit are becoming ever thinner.
    Bernard Marr, Forbes.com, 12 Sep. 2025
  • The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control.
    CA Weather Bot, Sacbee.com, 11 Sep. 2025
Adjective
  • Russia is trying to paint Ukraine as the unreasonable party in negotiations, Ferris said.
    Lauren Kent, CNN Money, 12 Sep. 2025
  • Darryl Morin, national president of Forward Latino, a Latino advocacy group based in Franklin, Wisconsin, said the decision erodes Fourth Amendment protections against unreasonable search and seizure.
    Francesca Pica, jsonline.com, 9 Sep. 2025
Adjective
  • And wasn’t the world hard enough, without having to care for helpless children too?
    Literary Hub, Literary Hub, 11 Sep. 2025
  • In the midst of feeling helpless, Kate said an idea took shape to commemorate the victims.
    Matthew Adams, Fort Worth Star-Telegram, 8 Sep. 2025
Adjective
  • Brad Ingelsby’s follow-up to the much-beloved Mare of Easttown switches focus from steely women to feeble men.
    Grace Byron, Vulture, 8 Sep. 2025
  • The feeble report all but confirms a Fed interest rate cut later this month and raises at least the possibility of a half point – rather than a typical quarter point - reduction, Saunders said.
    Paul Davidson, USA Today, 5 Sep. 2025
Adjective
  • Results may not apply directly to frailer elderly adults or people with knee conditions.
    Paul McClure September 11, New Atlas, 11 Sep. 2025
  • Talking to Bill Nighy about his star turn as a frail and at times broken novelist in & Sons is rather hampered by the British actor not having seen director Pablo Trapero’s father-and-son drama on a screen of any size ahead of its world premiere on Sunday at the Toronto Film Festival.
    Etan Vlessing, HollywoodReporter, 7 Sep. 2025
Adjective
  • For example, Wilson’s team is exploring whether dilute acids speed up weathering.
    Robert F. Service, Science | AAAS, 3 Sep. 2020
  • The company reported a net loss during the first quarter of $3.9 million, or 11 cents diluted loss per share, compared to a net income of $4.3 million, or 12 cents dilute earnings per share over the same period last year.
    Paul Takahashi, Houston Chronicle, 5 June 2018

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Cite this Entry

“Weak.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weak. Accessed 18 Sep. 2025.

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