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Definitions

weak

[week] / wik /








Frequently Asked Questions

What is another word for weak?
Weak means not strong. A synonym for weak in the context of physical strength is feeble. A person might also be considered weak as in cowardly or easily defeated. Something that can easily break can be described as fragile or delicate. When a sick or very tired person says they feel weak, it means they have no energy. A person who’s very ill and generally weak in this way might be described as frail. When weak means lacking in force, effectiveness, or support, synonyms are ineffectual and poor, as in That’s a weak/poor excuse. In the context of sounds, weak is used to mean faint, soft, and quiet. A weak sound might be one that’s indistinct, thin, or muffled. A very informal slang term that can mean the same thing as weak is weak sauce. To become weak is to weaken. A specific way of being weak is a weakness. Other terms for this are weak point, vulnerability, and soft spot. These terms often suggest a flaw that can allow someone or something to be defeated, attacked, exploited. An expression that means this is Achilles heel.
What is the opposite (antonym) of weak?
The direct and commonly used opposite of weak is strong. Strong can be used as the opposite of weak in most contexts, such as a person’s physical strength, the effectiveness of an argument, the flavor of a drink, etc. Other antonyms for weak include hearty and healthy (when weak means ill or frail), bold and brave (when weak means cowardly), and loud (when weak means faint or quiet).
How do you spell weak?
Weak as in lacking strength is spelled with ea. Week as in the period of seven days is spelled with ee. You can remember this because seven also has two e’s.

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.

Also, travel demand remains weak despite the improving air connectivity.

From The Wall Street Journal • May 25, 2026

I crawled across the parking lot to show my viewers how weak they’d become.

From Los Angeles Times • May 25, 2026

At the time he argued a weak U.S. job market needed support, but what sealed the deal was a sufficient slowdown in inflation to give the Fed cover.

From MarketWatch • May 23, 2026

Macron's Renaissance party has often been criticised for its weak local roots, and Attal chose to launch his presidential bid in rural France to send a message of solidarity with ordinary people.

From Barron's • May 22, 2026

Once I told them what was going on, Daddy carried the girls, who were still weak and coughing, inside.

From "Reaching for the Moon" by Katherine Johnson




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