I. adjective
COLLOCATIONS FROM OTHER ENTRIES
declare sth illegal/invalid etc
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The war was declared illegal by the International Court of Justice.
EXAMPLES FROM OTHER ENTRIES
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Ackerman said the argument was invalid .
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Do not detach the coupon or your ticket will be invalid .
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I'm afraid your ticket is invalid on this route.
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This passport is invalid . Look at the expiry date.
EXAMPLES FROM CORPUS
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As it turns out, the fears that govern such organizations derive in large part from invalid or negative core beliefs.
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But the vote has been declared invalid because fewer than half the parents took part in the ballot.
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For this reason, you can readily identify them as valid or invalid .
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In one attack his invalid car was stolen and smashed.
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Mrs H described the knock at the door that woke her and her invalid husband at seven o'clock.
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The survey attempted to answer critics who have dismissed international comparisons as invalid because of differences in cultural expectations about health care.
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When I was a child, there was a man who came to our chapel in an invalid chair.
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When the council sought to evict him for non-payment of the extra rent he pleaded in defence that the resolution was invalid .
II. noun
EXAMPLES FROM OTHER ENTRIES
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Barbara decided to move her invalid mother to Mississippi, so that she could look after her herself.
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My father's an invalid , and needs constant care.
EXAMPLES FROM CORPUS
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Crippled by an inmate, he faces the rest of his life as an invalid .
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His elder brother Edwin was next in succession to the baronetcy, but he was a total invalid .
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I pictured nocturnal gamblers crouching over their cards, sleepless lovers writing letters, nurses sitting by the beds of invalids.