Untrue vs. False — What's the Difference?

Not in accordance with fact or reality; false or incorrect

Contrary to fact or truth

Not faithful or loyal

Deliberately untrue

Incorrectly positioned or balanced; not upright or level.

Arising from mistaken ideas

Contrary to fact; false.

Intentionally deceptive

Deviating from a standard; not straight, even, level, or exact.

Not keeping faith; treacherous

Disloyal; unfaithful.

Not genuine or real

False; not true.

Erected temporarily, as for support during construction.

Not faithful or loyal.

Resembling but not accurately or properly designated as such

Not true; false; contrary to the fact; as, the story is untrue.

(Music) Of incorrect pitch.

Not faithful; inconstant; false; disloyal.

Unwise; imprudent

Untruly.

(Computers) Indicating one of two possible values taken by a variable in Boolean logic or a binary device.

Not according with the facts;

In a treacherous or faithless manner

Not true to an obligation or trust;

Untrue, not factual, factually incorrect.

Not accurately fitted; not level;

Based on factually incorrect premises.

(used especially of persons) not dependable in devotion or affection; unfaithful;

Spurious, artificial.

(logic) Of a state in Boolean logic that indicates a negative result.}}

Uttering falsehood; dishonest or deceitful.

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.

Not well founded; not firm or trustworthy; erroneous.

Not essential or permanent, as parts of a structure which are temporary or supplemental.

Used in the vernacular name of a species (or group of species) together with the name of another species to which it is similar in appearance.

(music) Out of tune.

To incorrectly decode noise as if it were a valid signal.

(obsolete) To violate, to betray (a promise, an agreement, one’s faith, etc.).

(obsolete) To counterfeit, to forge.

(obsolete) To make false, to corrupt from something true or real.

In a dishonest and disloyal way; falsely.

One of two options on a true-or-false test.

Uttering falsehood; unveracious; given to deceit; dishnest; as, a false witness.

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; false to promises.

Not according with truth or reality; not true; fitted or likely to deceive or disappoint; as, a false statement.

Not genuine or real; assumed or designed to deceive; counterfeit; hypocritical; as, false tears; false modesty; false colors; false jewelry.

Not well founded; not firm or trustworthy; erroneous; as, a false claim; a false conclusion; a false construction in grammar.

Not essential or permanent, as parts of a structure which are temporary or supplemental.

Not in tune.

Not truly; not honestly; falsely.

To report falsely; to falsify.

To betray; to falsify.

To mislead by want of truth; to deceive.

To feign; to pretend to make.

Not in accordance with the fact or reality or actuality;

Arising from error;

Erroneous and usually accidental;

Deliberately deceptive;

Inappropriate to reality or facts;

Not genuine or real; being an imitation of the genuine article;

Designed to deceive;

Inaccurate in pitch;

Adopted in order to deceive;

(used especially of persons) not dependable in devotion or affection; unfaithful;

In a disloyal and faithless manner;