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false Synonyms

Another word for false

Choosing another word for false depends on context, so the 37 synonyms and similar words below are separated across 5 exact definitions and ranked by match strength.
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• adjective (Context 1)

Not according with truth or fact; incorrect or erroneous.

Usage Example

"The report was rejected because it contained several untrue assumptions about the regional economy."

Strongest
untrue
incorrect
erroneous
wrong
Strong
inaccurate
mistaken
fallacious
unfounded
invalid
flawed

• adjective (Context 2)

Made to imitate something in order to deceive or replace the original; artificial, counterfeit, or forged.

Usage Example

"The detective discovered a hidden compartment concealed beneath a fake bottom in the wooden trunk."

Strongest
fake
artificial
counterfeit
Strong
forged
bogus
sham
imitation
mock
phony
spurious

• adjective (Context 3)

Insincere, deceitful, or unfaithful in one's dealings or promises.

Usage Example

"She offered a insincere smile while inwardly disagreeing with every point raised at the meeting."

Strongest
insincere
deceitful
feigned
Strong
disingenuous
hypocritical
forced
two-faced
unfaithful
treacherous
duplicitous

• adjective (Context 4)

Used in the common names of plants, animals, or structures that superficially resemble another species or organ without being closely related.

Usage Example

"mock acacia is widely planted in urban parks for its fragrant white blossoms and durable timber."

Strong
mock
bastard

• adverb (Context 5)

In a dishonest, treacherous, or unfaithful manner (now used primarily in the phrase 'to play someone false').

Usage Example

"He realized too late that his trusted business partner had played him falsely during the negotiations."

Strongest
falsely
treacherously
Strong
deceitfully
unfaithfully
dishonestly
disloyally

Opposites of false

The opposite of false shifts depending on context. Common opposites include:

true
sincere
real
genuine
authentic
correct
truly
honest
See all opposites of false

Cite this Entry


Wordmom. (2026). Synonyms for False. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/false
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