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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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a weak position
a vulnerable position
a susceptible position
an insecure position
a fragile position
a poor position
a weak economy
a feeble economy
a vulnerable economy
a fragile economy
an unstable economy
a frail economy
weak signals
poor signals
poor-quality signals
unreliable signals
insufficient signals
inadequate signals
a weak solution
an inconsistent solution
an inadequate solution
an ineffectual solution
a faulty solution
a deficient solution
a weak smile
a feeble smile
a pathetic smile
a faint smile
a limp smile
an unconvincing smile

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 Loveland is a versatile receiving threat who excelled even on a weak Michigan offense. David Faris, MSNBC Newsweek, 13 Apr. 2025 Closer Mason Miller then threw a 102.7 MPH fastball inside, and Torrens made weak contact, sending a ground ball right to shortstop Jacob Wilson for the easy out. Abbey Mastracco, New York Daily News, 12 Apr. 2025 However, China will not be able to wield a weaker yuan as a weapon in its deepening trade war with the U.S. because of concerns that such a move could trigger financial market instability, most market watchers surveyed by CNBC said. Yeo Boon Ping, CNBC, 11 Apr. 2025 And while some think the standoff could be drawn out, a former Commerce Department official opined that Trump and Xi, both aiming to not look weak, could be eyeing a short-term fix to the ongoing trade war. Julia Mueller, The Hill, 11 Apr. 2025 See All Example Sentences for weak
Recent Examples of Synonyms for weak
Adjective
  • 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.
    STAR-TELEGRAM WEATHER BOT, Fort Worth Star-Telegram, 20 Apr. 2025
  • Ibrahim had black hair and looked thin from malnutrition.
    Clayton Dalton, New Yorker, 18 Apr. 2025
Adjective
  • Courts will not second-guess the safety measures employers adopt, even when those measures infringe on an employee’s privacy, unless the measures are unreasonable under the circumstances.
    Dan Eaton, San Diego Union-Tribune, 21 Apr. 2025
  • Companies need to assess their higher costs, and then negotiate with the state regulators who try to protect ratepayers from unreasonable hikes.
    Camila Domonoske, NPR, 18 Apr. 2025
Adjective
  • More generally, some people are concerned that becoming too reliant on AI for menial and routine tasks could lead to us becoming over-reliant and helpless, perhaps even to the detriment of human problem-solving or decision-making ability.
    Bernard Marr, Forbes.com, 14 Apr. 2025
  • Asking for help isn’t the same as being helpless, Pryor noted.
    Megan Sauer, CNBC, 11 Apr. 2025
Adjective
  • Right-hander Michael King toyed with Colorado’s feeble offense and pitched his first complete-game shutout.
    Patrick Saunders, Denver Post, 13 Apr. 2025
  • One feeble shift by the Freddy Gaudreau line led to the Flames countering and Sharangovich scoring on a deflection off a harmless-looking shot by Martin Pospisil.
    Michael Russo, New York Times, 12 Apr. 2025
Adjective
  • The Lightweight Sweats Classic Zip Hoodie is incredibly soft and pairs beautifully with their ultra-soft ribbed pieces like the Ribbed Modal Body Long Sleeve.
    Sarah Boyd, Forbes.com, 14 Apr. 2025
  • All while navigating the final stint on the soft tire for over 20 laps and keeping a surging Lando Norris behind him, not once losing his concentration.
    Madeline Coleman, New York Times, 14 Apr. 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
  • But here’s something important to consider: while the ick might seem like a spontaneous, irrational response, this might not always be the case.
    Mark Travers, Forbes.com, 22 Apr. 2025
  • Judge orders transgender passports despite 'irrational' Trump policy.
    Rebecca Morin, USA Today, 22 Apr. 2025
Adjective
  • Before the polio vaccine was introduced in 1955, tens of thousands of children were catching the disease every year; thousands of them died, and more were left paralyzed.
    Bruce Handy, The Atlantic, 16 Apr. 2025
  • Because tariffs are a type of taxation, Mr. Trump’s plan is among the largest tax increases in decades, analysts say, a policy change that sent the stock market reeling, paralyzed corporate investment and shoved the economy closer to a recession.
    Andrew Duehren, New York Times, 5 Apr. 2025

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Cite this Entry

“Weak.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weak. Accessed 29 Apr. 2025.

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