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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 Low interest rates tend to make the yen weaker against the dollar, giving Japanese exporters a cost advantage in overseas sales. Matt Ott, Chicago Tribune, 14 Aug. 2025 The airline cited weak travel demand and financial challenges. Michael Salerno, AZCentral.com, 14 Aug. 2025 But Speaker Mike Johnson persuaded her to accept a weaker vote-pairing alternative. Orlando Sentinel, The Orlando Sentinel, 12 Aug. 2025 Last month and August 2024 also saw a weak start, so this comes as no surprise. Billy Bambrough, Forbes.com, 2 Aug. 2025 See All Example Sentences for weak
Recent Examples of Synonyms for weak
Adjective
  • Only a thin layer of dust brings you back to the present.
    Roger Naylor, AZCentral.com, 29 Aug. 2025
  • Common techniques to minimize blood clots with post-surgical patients like Carrington include a doctor prescribing a blood thinner or having the patient wear compression stockings, among other options.
    Jessica Van Egeren, jsonline.com, 28 Aug. 2025
Adjective
  • That doesn’t seem like an unreasonable body count for someone who’s about to default on his mortgage — someone who’s already suffered the indignity of being forced to cancel his family’s Netflix account.
    David Ehrlich, IndieWire, 29 Aug. 2025
  • State of Ohio et al. v. NCAA (2024): A coalition of states challenged the NCAA’s remaining restrictions on transfers, arguing that the adjusted rule still imposed unreasonable restraint on athletes.
    Nick LoMaglio, Forbes.com, 29 Aug. 2025
Adjective
  • Not long after, Brady looked helpless on his final snap as a Patriot, standing at the 1-yard line with nine seconds left because of that maneuver, which Stretch stole from Brady’s head coach and turned against them both.
    Andrew Callahan, Boston Herald, 7 Aug. 2025
  • As for the Aces, Vegas has lost two in a row and looked helpless last time out, losing 109-78 to the Minnesota Lynx.
    Kilty Cleary, MSNBC Newsweek, 27 July 2025
Adjective
  • While the bats themselves are feeble foes, the rabies virus is a brutal beast.
    Beth Mole, ArsTechnica, 13 Aug. 2025
  • But the animal would also be pretty feeble at this stage — if this happened in a very short period of time, the muscle growth wouldn't be able to keep up with the expansion of the exoskeleton.
    Richard Edwards, Space.com, 12 Aug. 2025
Adjective
  • Its breathable, soft nature allows Savin to sink in without feeling stuck.
    Nashia Baker, Architectural Digest, 25 Aug. 2025
  • What sold me on this towel compared to many others on the market is its soft texture.
    Karthika Gupta, Travel + Leisure, 24 Aug. 2025
Adjective
  • Vinegar, which is really dilute acetic acid, will help the milk curdle by further denaturing the whey proteins and neutralizing negative charges at the surface of casein micelles.
    Liz Roth-Johnson, Discover Magazine, 12 Feb. 2013
  • However toxic a substance may be, the amount of exposure received by the general population is very dilute.
    George Johnson, Discover Magazine, 8 July 2013
Adjective
  • On the irrational front, Cramer pointed to recent IPOs such as Circle, Figma and Bullish, that each saw explosive gains after their debuts.
    Ali McCadden, CNBC, 14 Aug. 2025
  • But exactly the opposite needs to happen: the patient needs to enact her struggle in the room, to be messy, irrational, resentful, out of control.
    Leslie Jamison, New Yorker, 4 Aug. 2025
Adjective
  • An unchanging body map could be a huge boost for the emerging field of brain-computer interfaces, which can allow a paralyzed person to speak or move a robotic arm.
    Jon Hamilton, NPR, 27 Aug. 2025
  • That information led the Tribune to a relative, from the Chicago area, who provided the name of a paralyzed uncle who had been injured during WWII.
    Christy Gutowski, Chicago Tribune, 22 Aug. 2025

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Cite this Entry

“Weak.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weak. Accessed 3 Sep. 2025.

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