Difference between Invalid and Worthless

INVALID vs WORTHLESS: NOUN

A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health who is unable to care for himself.
Hence Something that is damaged, or the worse for wear, but not so much as to be wholly unserviceable.
An infirm or sickly person; one who is affected by disease or disabled by any infirmity.
Any person with a disability.
Someone who is incapacitated by a chronic illness or injury
One who is confined to home or bed because of illness, disability or injury

Morally reprehensible
Not having worth and use, without value, inconsequential.
Destitute of worth; having no value, virtue, excellence, dignity, or the like; undeserving; valueless; useless; vile; mean.
Lacking in usefulness or value
Lacking worth; of no use or value.
Lacking in excellence or value
Low; despicable.

Not valid; of no force, weight, or cogency; weak.
In law, having no validity or binding force; wanting efficacy; null; void: as, an invalid contract or agreement.
Deficient in health; infirm; weak; sick.
To affect with disease; render an invalid: chiefly in the past participle.
To register as an invalid; enroll on the list of invalids in the military or naval service; give leave of absence from duty on account of ill health.
To cause one's self to be registered as an invalid.

Base, vile, depraved, graceless, trashy, trumpery, flimsy, tinsel, trifling, paltry, frivolous.
Synonyms Unserviceable, unprofitable.
Unworthy; not deserving.
Lacking in or destitute of worth, dignity, excellence, or merit; mean; contemptible.
Of no value or use; valueless; useless.

Disable, Sophistic, Sophistical, False, Spurious, Void, Uncollectible, Specious, Fallacious, Nugatory, Expired, Unsound, Nullified, Invalidated, Null

Trumpery, Tinsel, Sorry, Meritless, Wasted, Paltry, Trifling, Rubbishy, Trashy, Negligible, Nugatory, Otiose, Superfluous, Pointless, Valueless

Disable, Sophistic, Sophistical, False, Spurious, Void, Uncollectible, Specious, Fallacious, Nugatory, Expired, Unsound, Nullified, Invalidated, Null

Trumpery, Tinsel, Sorry, Meritless, Wasted, Paltry, Trifling, Rubbishy, Trashy, Negligible, Nugatory, Otiose, Superfluous, Pointless, Valueless

Agreement is unenforceable or invalid shall not render any other provision of this Agreement unenforceable or invalid.
Use the Ignore Fields with Invalid Types property to replace data of invalid data types with default values.
Short error: Invalid Task Attribute Map Id or Invalid Task Attribute Value.
If any part of the regulations promulgated is declared invalid, all parts that are severable from the invalid parts shall remain in effect.
Once a thirdparty buys without actual knowledge of the invalid lien, that transaction will not be undone notwithstanding the invalid lien.
Directory does not automatically clean up invalid objects, but invalid objects and attributes appear in searches and can be deactivated manually.
Invalid Arrest Warrant: a criminal case WILL NOT be dismissed on the basis of an invalid arrest warrant.
Error Message: Invalid Warehouse or Warehouse Not Available You have entered an invalid warehouse.
If you enter an invalid path or name, a message appears indicating that the output MSI file name is invalid.
Will is invalid if the condition imposed is invalid or contrary to law.

Exclude embezzlement, confidence games, forgery, and worthless checks.
The prophets prophesied by Baal, following worthless idols.
Santiago convinced Spain that further resistance was worthless.
He tells me that my warranty is worthless.
Tylenol is a worthless drug that cures nothing.
How am I worthless because she refused me?
CPA Canada, you will become worthless and useless.
When will these sellers realize that we know that a worthless bike that is really old is still worthless?
House had gained by these worthless not altogether worthless, l history.
They followed worthless Idols and themselves became worthless.