All invalid synonyms
inΒ·vaΒ·lid
I i adj invalid
- sickly β not strong; unhealthy; ailing.
- baseless β If you describe an accusation, rumour, or report as baseless, you mean that it is not true and is not based on facts.
- unscientific β not scientific; not employed in science: an unscientific measuring device.
- untrue β not true, as to a person or a cause, to fact, or to a standard.
- irrational β without the faculty of reason; deprived of reason.
- inoperative β not operative; not in operation.
- unreasonable β not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
- unsound β not sound; unhealthy, diseased, or disordered, as the body or mind.
- null β without value, effect, consequence, or significance.
- false β not true or correct; erroneous: a false statement.
- void β Law. having no legal force or effect; not legally binding or enforceable.
- bad β If you say that it is bad that something happens, you mean it is unacceptable, unfortunate, or wrong.
- wrong β not in accordance with what is morally right or good: a wrong deed.
- peaked β Also, on-peak. being at the point of maximum frequency, intensity, use, etc.; busiest or most active: Hotel rooms are most expensive during the peak travel seasons.
- down β from higher to lower; in descending direction or order; toward, into, or in a lower position: to come down the ladder.
- debilitated β in a severely weakened state
- ill β of unsound physical or mental health; unwell; sick: She felt ill, so her teacher sent her to the nurse.
- disabled β physically or mentally impaired, injured, or incapacitated.
- sick β afflicted with ill health or disease; ailing.
- frail β having delicate health; not robust; weak: My grandfather is rather frail now.
- ailing β An ailing organization or society is in difficulty and is becoming weaker.
- fallacious β containing a fallacy; logically unsound: fallacious arguments.
- illogical β not logical; contrary to or disregardful of the rules of logic; unreasoning: an illogical reply.
- mad β mentally disturbed; deranged; insane; demented.
- nugatory β of no real value; trifling; worthless.
- null and void β without value, effect, consequence, or significance.
- sophistic β of the nature of sophistry; fallacious.
- unreasoned β inability or unwillingness to think or act rationally, reasonably, or sensibly; irrationality.
- ill-founded β based on weak evidence, illogical reasoning, or the like: an ill-founded theory.
- reasonless β not having any reason or sense: an utterly reasonless display of anger.
- bedridden β Someone who is bedridden is so ill or has such a severe disability that they cannot get out of bed.
- below par β If you say that someone or something is below par or under par, you are disappointed in them because they are below the standard you expected.
- feeble β physically weak, as from age or sickness; frail.
noun invalid
- patient β a person who is under medical care or treatment.
- consumptive β A consumptive person suffers from tuberculosis.
- convalescent β Convalescent means relating to convalescence.
- incurable β not curable; that cannot be cured, remedied, or corrected: an incurable disease.
- sufferer β to undergo or feel pain or distress: The patient is still suffering.
- shut-in β confined to one's home, a hospital, etc., as from illness.
adjective invalid
- unacceptable β capable or worthy of being accepted.
- unenforceable β to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- illegal β forbidden by law or statute.
- worthless β without worth; of no use, importance, or value; good-for-nothing: a worthless person; a worthless contract.
- unfounded β without foundation; not based on fact, realistic considerations, or the like: unfounded suspicions.
- untenable β incapable of being defended, as an argument, thesis, etc.; indefensible.
- unsustainable β not sustainable; not to be supported, maintained, upheld, or corroborated.
- unconvincing β persuading or assuring by argument or evidence: They gave a convincing demonstration of the car's safety features.
- enfeebled β Make weak or feeble.
- incapacitated β unable to act, respond, or the like (often used euphemistically when one is busy or otherwise occupied): He can't come to the phone nowβhe's incapacitated.
preposition invalid
- up β to, toward, or in a more elevated position: to climb up to the top of a ladder.