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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.

After a long period of deflationary pressure, a bump in price growth could seem welcome, but analysts note if demand remains weak, supply-side inflation will become a headwind.

From The Wall Street Journal • Apr. 3, 2026

Yet today the NFL is the powerful giant while the broadcasters are weak.

From The Wall Street Journal • Apr. 1, 2026

Grocery store and furniture sales were the only notable weak spots, each falling 1.0%.

From Barron's • Apr. 1, 2026

As Cal-Maine explained, the drop in egg prices isn’t necessarily because of weak demand.

From MarketWatch • Apr. 1, 2026

Right up there with Kennedy’s fear of nuclear war was his fear of appearing weak.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin