Synonym: debilitated, frail, ineffective, infirm, sickly, unhealthy, void, weak, validate. Similar words: valid, validity, invade, in vain, invasion, valiant, canvas, lid. Meaning: ['ɪnvəlɪd] 
n. someone who is incapacitated by a chronic illness or injury. v. 1. force to retire, remove from active duty, as of firemen 2. injure permanently. adj. 1. having no cogency or legal force 2. no longer valid.
n. someone who is incapacitated by a chronic illness or injury. v. 1. force to retire, remove from active duty, as of firemen 2. injure permanently. adj. 1. having no cogency or legal force 2. no longer valid. 
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1. A passport that is out of date is invalid.
2. Unless a check is signed, it is invalid.
3. People with invalid papers are deported to another country.
4. I hate being treated as an invalid.
5. Your action has rendered our contract invalid.
6. This action would render the agreement invalid.
7. His invalid father is becoming a burden.
8. The invalid found solace in music.
9. The invalid is very irritable, but we try to bear with him.
10. Margaret resides with her invalid mother in a London suburb.
11. The treaty was declared invalid because it had not been ratified.
12. Yesterday is an invalid cheque.Tomorrow is a promissory note and today is the only cash you have.
13. I'm afraid your driving licence is invalid in Eastern Europe.
14. I can't sense the meaning of invalid in this sentence.
15. Her grandfather is an invalid.
16. He has been an invalid all his life.
17. This is an invalid assumption.
18. The trial was stopped and the results declared invalid.
19. I resented being treated as an invalid.
20. Is the invalid in bed?
21. The invalid is gathering strength.
22. The invalid lay propped on the pillows.
23. His claim to ownership is invalid.
23. Sentencedict.com try its best to gather and make good sentences.
24. He will visit an invalid.
25. The contract was stated to be invalid.
26. The contract was declared invalid.
27. We regarded the contract as having become invalid.
28. A long illness had emaciated the invalid.
29. He helps to look after his grandfather who is an invalid.
30. Without the right date stamped on it, your ticket will be invalid.