Synonyms of the word

invalid

• adj. Not valid; not true, correct, acceptable or appropriate.
• n. (dated, sometimes offensive) Any person with a disability or illness.
• n. (dated, sometimes offensive) A person who is confined to home or bed because of illness, disability or…
• n. (archaic) A disabled member of the armed forces; one unfit for active duty due to injury.
• adj. Intended for use by an invalid.
• v. (Britain) To exempt from duty because of injury or ill health.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

disable

• v. (transitive) To render unable; to take away an ability of.
• v. (chiefly of a person) To impair the physical or mental abilities of; to cause a serious, permanent injury.
• v. to deactivate a function of an electronical or mechanical device.
• adj. (obsolete) Lacking ability; unable.

expired

• v. simple past tense and past participle of expire.
• adj. that is no longer valid.
• adj. that has been breathed out.
• adj. dead.

fallacious

• adj. Characterized by fallacy; false or mistaken.
• adj. Deceptive or misleading.

false

• adj. Untrue, not factual, factually incorrect.
• adj. Based on factually incorrect premises.
• adj. Spurious, artificial.
• adj. (logic) Of a state in Boolean logic that indicates a negative result.
• adj. Uttering falsehood; dishonest or deceitful.
• adj. Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.
• adj. Not well founded; not firm or trustworthy; erroneous.
• adj. Not essential or permanent, as parts of a structure which are temporary or supplemental.
• adj. (music) Out of tune.
• adv. Not truly; not honestly; falsely.
• n. One of two options on a true-or-false test.

handicap

• n. Something that prevents, hampers, or hinders.
• n. An allowance of a certain amount of time or distance in starting, granted in a race (or other contest…
• n. (sometimes considered offensive) The disadvantage itself, in particular physical or mental disadvantages…
• n. A race or similar contest in which there is an allowance of time, distance, weight, or other advantage,…
• n. (obsolete, card game) An old card game, similar to lanterloo.
• v. (transitive) To encumber with a handicap in any contest.
• v. (transitive, by extension) To place at disadvantage.
• v. To estimate betting odds.

illegitimate

• adj. Illegal; against the law.
• adj. Born to unmarried parents.
• adj. Illogical; incorrectly deduced.
• adj. Not authorized by good usage; not genuine; spurious.
• adj. (botany) Involving the fertilization of pistils by stamens not of their own length, in heterogonously…
• n. someone born illegitimately.

incapacitate

• v. (transitive) to make incapable (of doing something).

injure

• v. (transitive) To wound or cause physical harm to a living creature.
• v. (transitive) To damage or impair.
• v. (transitive) To do injustice to.

invalidated

• adj. something made invalid.
• v. simple past tense and past participle of invalidate.

null

• n. A non-existent or empty value or set of values.
• n. Zero quantity of expressions; nothing.
• n. Something that has no force or meaning.
• n. (computing) the ASCII or Unicode character (␀), represented by a zero value, that indicates no character…
• n. (computing) the attribute of an entity that has no valid value.
• n. One of the beads in nulled work.
• n. (statistics) null hypothesis.
• adj. Having no validity, "null and void".
• adj. insignificant.
• adj. absent or non-existent.
• adj. (mathematics) of the null set.
• adj. (mathematics) of or comprising a value of precisely zero.
• adj. (genetics, of a mutation) causing a complete loss of gene function, amorphic.
• v. (transitive) to nullify; to annul.

nullified

• v. simple past tense and past participle of nullify.
• adj. That has been declared null.
• adj. (computing) Whose value has been set to null.

remove

• v. (transitive) To move something from one place to another, especially to take away.
• v. (transitive) To murder.
• v. (cricket, transitive) To dismiss a batsman.
• v. (transitive) To discard, set aside, especially something abstract (a thought, feeling, etc.).
• v. (intransitive, now rare) To depart, leave.
• v. (intransitive) To change one's residence; to move.
• v. To dismiss or discharge from office.
• n. The act of removing something.
• n. (archaic) Removing a dish at a meal in order to replace it with the next course, a dish thus replaced,…
• n. (Britain) (at some public schools) A division of the school, especially the form prior to last.
• n. A step or gradation (as in the phrase "at one remove").
• n. Distance in time or space; interval.
• n. (dated) The transfer of one's home or business to another place; a move.
• n. The act of resetting a horse's shoe.

shut-in

• adj. Confined to a location, as by infirmity or illness.
• adj. Introverted.
• n. A person confined to a location, as by illness or infirmity.

sophistic

• adj. Pertaining to sophists.
• adj. Sophistical.

sophistical

• adj. Pertaining to a sophist or sophistry.
• adj. Fallacious, misleading or incorrect in logic or reasoning, especially intentionally.

sufferer

• n. One who suffers.
• n. One who is afflicted.

uncollectible

• adj. That cannot be collected.
• n. (usually in the plural) Something, such as a bad debt, that cannot be collected.

unsound

• adj. Not sound, particularly.

void

• adj. Containing nothing; empty; vacant; not occupied; not filled.
• adj. Having no incumbent; unoccupied; said of offices etc.
• adj. Being without; destitute; devoid.
• adj. Not producing any effect; ineffectual; vain.
• adj. Of no legal force or effect, incapable of confirmation or ratification.
• adj. Containing no immaterial quality; destitute of mind or soul.
• adj. (computing, programming, of a function or method) That does not return a value.
• n. An empty space; a vacuum.
• n. (astronomy) An extended region of space containing no galaxies.
• n. (materials science) A collection of adjacent vacancies inside a crystal lattice.
• n. (fluid mechanics) A pocket of vapour inside a fluid flow, created by cavitation.
• v. (transitive) To make invalid or worthless.
• v. (transitive, medicine) To empty.
• v. To throw or send out; to evacuate; to emit; to discharge.
• v. (intransitive, obsolete) To withdraw, depart.
• v. (transitive, obsolete) To remove the contents of; to make or leave vacant or empty; to quit; to leave.
• n. (now rare, historical) A voidee.

wound

• n. An injury, such as a cut, stab, or tear, to a (usually external) part of the body.
• n. (figuratively) A hurt to a person's feelings, reputation, prospects, etc.
• n. (criminal law) An injury to a person by which the skin is divided or its continuity broken.
• v. (transitive) To hurt or injure (someone) by cutting, piercing, or tearing the skin.
• v. (transitive) To hurt (a person's feelings).
• v. simple past tense and past participle of wind.