Thesaurus

unreliable

adjective

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Synonyms & Antonyms of unreliable

likely to change frequently, suddenly, or unexpectedly

I wouldn't count on him to show up for the play—he's pretty unreliable.

She drives her car locally, but worries it's too unreliable for longer trips.

Synonyms & Near Synonyms for unreliable

dicey,
undependable,
untrustworthy

aimless,
arbitrary,
desultory,
erratic,
haphazard,
hit-or-miss,
irregular,
random,
scattered,
slapdash,
stray

ambivalent,
hesitating,
shaky,
shilly-shally,
shilly-shallying,
vacillating,
wavering

capricious,
changeable,
changeful,
fickle,
flickery,
fluctuating,
fluid,
inconsistent,
inconstant,
mercurial,
mutable,
skittish,
temperamental,
uncertain,
unpredictable,
unsettled,
unstable,
unsteady,
variable,
volatile

Antonyms & Near Antonyms for unreliable

dependable,
reliable,
sure,
tried,
tried-and-true,
true,
trustworthy,
trusty

abiding,
durable,
lasting,
permanent,
persistent

certain,
changeless,
constant,
immutable,
invariable,
predictable,
settled,
stable,
stationary,
steady,
unchangeable,
unchanging,
unvarying

equable,
even,
uniform

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Thesaurus Entries Near unreliable

unreliability

unreliable

unreluctant

Cite this Entry

“Unreliable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unreliable. Accessed 28 Oct. 2021.

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Thesaurus

unreliable

Synonyms & Antonyms of unreliable

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The first known use of unreliable was in 1810

Thesaurus Entries Near unreliable

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