Weak means lacking strength; the kind of strength depends on the noun.
The idea
A person may feel weak, a shelf may be too weak to support weight, and a signal or light can be weak. Compare with weaker than.
Examples
- My legs feel weak after the long walk.
- The old shelf is too weak for these books.
- The signal is weak in this room.
- Her voice sounded weak on the phone.
- This explanation is weaker than the first one.
- A weak light came through the curtain.
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Watch out
A weak voice or signal concerns intensity; the sentence alone does not establish a medical cause.
Try it yourself
Choose the adjective for insufficient strength. The shelf cannot safely hold the books: it is too ___. (weak / strong)
Show answer or example answer
weak
The shelf cannot support the weight securely.
Choose the comparative form. This explanation is ___ than the first one. (weaker / weak)
Show answer or example answer
weaker
Weaker than compares the strength of two explanations.
Identify the meaning of a weak signal. A weak signal has ___. (low strength / a known cause)
Show answer or example answer
low strength
A weak signal has low strength, not necessarily a known cause.
Practice round
Answer questions and rebuild English sentences to practise. Your score is shown.
Choose the adjective for insufficient strength. The shelf cannot safely hold the books: it is too ___. (weak / strong)
Choose the comparative form. This explanation is ___ than the first one. (weaker / weak)
Identify the meaning of a weak signal. A weak signal has ___. (low strength / a known cause)
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Describe something weak and explain what kind of strength or intensity you mean.

