Invalid

1.

(One who is chronically ill or disabled) ទុព្វលជន (ជនជរាដែលរាជការចិញ្ចឹម, ជនពិការ, ជនដែលខ្សោយ, ដែលឈឺច្រើន) / ទុព្វលភាព (ភាពមិនត្រឹមត្រូវតាមលក្ខណៈច្បាប់)

1.

(of invalids, weak and sickly, of no force, not valid) នៃទុព្វល, ដែលឈឺ, ដែលដុនដាប, សូវស្រួល (ខាងផ្លូវចិត្ដ, បញ្ញា)
Example: Declare a marriage invalid.

2.

(Not valid, having no force, nun or void) ដែលមោឃៈ, ទុកជាមោឃៈ, ដែលគ្មានសោះ, ដែលពិការ, ដែលគ្មានតម្លៃ, ដែលអន់ណាស់
Example: The old man was a helpless invalid after he lost the use of his lieges.

3.

(បច្ចេកទេស) មោឃៈ, ជាមោឃៈ, អស់សុពលភាព

• invalid out out of
  - បណ្ដេញចេញពីការងារ

1.

A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.

2.

Not well; feeble; infirm; sickly; as, he had an invalid daughter.

1.

Of no force, weight, or cogency; not valid; weak.

2.

Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.

1.

(TRANSITIVE) To make or render invalid or infirm.

2.

(TRANSITIVE) To classify or enroll as an invalid.

1.

defective, erroneous, groundless, illogical, irrational, null, void