Invalid meaning

ĭnvə-lĭd
Frequency:
Invalid is defined as not correct or provable or not legally recognized.

An example of invalid is a theory that has been proven wrong.

An example of invalid is a marriage without a proper marriage license.

adjective
34
6
The definition of an invalid is a sick, weak person.

An example of an invalid is a feeble old woman in a hospital who cannot walk.

noun
28
3
Incapacitated by illness or injury.
adjective
28
5
Of, relating to, or intended for invalids.
adjective
19
3
To incapacitate physically.
verb
18
2
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To incapacitate physically.
verb
9
1
Of or for invalids.

An invalid home.

adjective
8
0
(chiefly brit.) To remove (a soldier, sailor, etc.) from active duty or from a combat zone because of injury or illness.
verb
8
0
Falsely based or reasoned; faulty.

An invalid argument.

adjective
8
1
Incapacitated by illness or injury.
adjective
8
1
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Of, relating to, or intended for invalids.
adjective
7
1
To make invalid; disable or weaken.
verb
6
1
Not well; weak and sickly; infirm.
adjective
6
2
(chiefly british) To release or exempt from duty because of ill health.
verb
5
1
Not legally or factually valid; null.

An invalid license.

adjective
5
1
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Not valid; having no force; null or void.
adjective
5
1
One who is incapacitated by a chronic illness or disability.
noun
5
1
(chiefly british) To release or exempt from duty because of ill health.
verb
5
1
Legally ineffective; unfounded.
adjective
5
1

Your argument is invalid because it uses circular reasoning.

This invalid contract cannot be legally enforced.

adjective
4
1
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One who is confined to home or bed because of illness, disability or injury.
noun
2
1
Any person with a disability.
noun
2
1
Intended for use by an invalid.
adjective
2
1
(UK) To exempt from duty because of injury or ill health.

He was invalided home after the car crash.

verb
2
1
One who is incapacitated by a chronic illness or disability.
noun
2
2
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A weak, sickly person; esp., one who is chronically ill or disabled.
noun
2
3

Origin of invalid

  • Latin invalidus weak in- not in–1 validus strong (from valēre to be strong wal- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From invalid (influenced by French invalide sickly, infirm)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French invalide, from Latin invalidus (“infirm, weak”), from in- (“not”) + validus (“strong”)

    From Wiktionary

  • in- +‎ valid

    From Wiktionary