UNCERTAIN: Synonyms and Related Words. What is Another Word for UNCERTAIN?

Need another word that means the same as “uncertain”? Find 45 synonyms and 30 related words for “uncertain” in this overview.

The synonyms of “Uncertain” are: unsealed, changeable, unsettled, incertain, unsure, unknown, undetermined, unresolved, pending, in the balance, in limbo, up in the air, debatable, open to question, in doubt, variable, varying, irregular, fitful, unpredictable, unreliable, unstable, erratic, fluctuating, doubtful, dubious, undecided, indecisive, irresolute, hesitant, wavering, vacillating, oscillating, vague, hazy, unclear, ambivalent, in two minds, torn, hesitating, tentative, halting, faltering, unconfident, diffident

Uncertain as an Adjective

Definitions of "Uncertain" as an adjective

According to the Oxford Dictionary of English, “uncertain” as an adjective can have the following definitions:

  • Not established beyond doubt; still undecided or unknown.
  • Subject to change.
  • Lacking or indicating lack of confidence or assurance.
  • (of a person) not completely confident or sure of something.
  • Not consistent or dependable.
  • Ambiguous (especially in the negative.
  • Not established or confirmed.
  • Not able to be relied on; not known or definite.
  • Not certain to occur; not inevitable.

Synonyms of "Uncertain" as an adjective (45 Words)

ambivalentHaving mixed feelings or contradictory ideas about something or someone.
Was ambivalent about having children.
changeableSubject to change.
The weather will be changeable with rain at times.
debatableOpen to doubt or debate.
It is debatable whether the country is coming out of recession.
diffidentShowing modest reserve.
She was diffident when offering a comment on the professor s lecture.
The candidate s doubtful past.
dubiousNot to be relied upon; suspect.
Dubious about agreeing to go.
erraticLiable to sudden unpredictable change.
Erratic winds are the bane of a sailor.
falteringUnsteady in speech or action.
He is now all set to take his first faltering steps.
fitfulOccurring in spells and often abruptly.
Fitful or interrupted sleep.
fluctuatingRising and falling irregularly in number or amount.
Fluctuating prices.
haltingFragmentary or halting from emotional strain.
She speaks halting English with a heavy accent.
hazyIndistinct or hazy in outline.
It was a beautiful day but quite hazy.
hesitantLacking decisiveness of character; unable to act or decide quickly or firmly.
Clients are hesitant about buying.
hesitatingLacking decisiveness of character; unable to act or decide quickly or firmly.
His hesitating delivery.
in doubtDirected or bound inward.
in limboCurrently fashionable.
in the balanceDirected or bound inward.
in two mindsCurrently fashionable.
incertainLacking or indicating lack of confidence or assurance.
indecisiveNot definitely settling something.
An indecisive manager brought the enterprise to a standstill.
irregular(of troops) not belonging to regular or established army units.
His strong irregular features.
irresoluteUncertain how to act or proceed.
She stood irresolute outside his door.
open to questionAffording free passage or access.
oscillatingHaving periodic vibrations.
pendingAbout to happen; imminent.
Nine cases were still pending.
tentativeDone without confidence; hesitant.
A tentative conclusion.
tornDisrupted by the pull of contrary forces.
Torn between love and hate.
unclearNot clear to the mind.
The motive for this killing is unclear.
unconfidentNot confident; hesitant.
The airmen were young but not unconfident.
undecidedCharacterized by indecision.
The jury remained undecided.
undeterminedNot yet having been ascertained or determined.
Of undetermined species.
unknownBeing or having an unknown or unnamed source.
An unknown amount.
unpredictableUnknown in advance.
The unpredictable weather of the Scottish islands.
unreliableNot able to be relied upon.
He s lazy and unreliable.
unresolvedCharacterized by musical dissonance harmonically unresolved.
Many problems remain unresolved.
unsealedNot established or confirmed.
Unsealed envelopes.
unsettledLiable to change; unpredictable.
Unsettled weather with rain and hail and sunshine coming one right after the other.
unstableHighly or violently reactive.
An unstable world economy.
unsure(of a fact) not fixed or certain.
Unsure of himself and his future.
up in the airOpen.
vacillatingWavering between different opinions or actions; irresolute.
He was accused of vacillating leadership.
vagueNot clearly expressed or understood.
A vague uneasiness.
variable(of a species) liable to deviate from the typical colour or form, or to occur in different colours or forms.
Rainfall in the tropics is notoriously variable.
varyingDiffering in size, amount, degree, or nature.
The varying angles of roof slope.
waveringMoving in a quivering way; flickering.
The move brought back wavering voters.

Usage Examples of "Uncertain" as an adjective

  • Changes of great if uncertain consequences.
  • I was uncertain how to proceed.
  • Uncertain of his convictions.
  • An uncertain smile.
  • Without further evidence his story must remain uncertain.
  • Moving with uncertain (or unsure) steps.
  • She spoke in no uncertain terms.
  • A manuscript of uncertain origin.
  • Touched the ornaments with uncertain fingers.
  • An uncertain future.
  • A gun with a rather uncertain trigger.
  • An uncertain recollection of events.
  • The issue is uncertain.
  • Everything is uncertain about the army.
  • The weather is uncertain.
  • Plans are still uncertain.

Associations of "Uncertain" (30 Words)

ambiguousNot clear or decided.
The election result was ambiguous.
ambiguouslySo as to be open to more than one interpretation.
This letter is worded ambiguously.
ambivalentHaving mixed feelings or contradictory ideas about something or someone.
Some loved her some hated her few were ambivalent about her.
blurredIndistinct or hazy in outline.
Blurred vision.
doubtfulOpen to doubt or suspicion.
The candidate s doubtful past.
dubiousFraught with uncertainty or doubt.
I was rather dubious about the whole idea.
equivocalOpen to question-Anna Jameson.
The evidence from bacteriologic analysis was equivocal.
equivocallyIn an ambiguous manner.
equivocateUse ambiguous language so as to conceal the truth or avoid committing oneself.
The government have equivocated too often in the past.
evasiveTending to avoid commitment or self-revelation, especially by responding only indirectly.
His answers were brief constrained and evasive.
floatingBorne up by or suspended in a liquid.
Floating exchange rates.
illegibilityThe quality of writing (print or handwriting) that cannot be deciphered.
imprecisionLack of exactness or accuracy.
All scientific measurements come with some degree of imprecision.
inconclusiveNot conclusive; not putting an end to doubt or question.
Inconclusive evidence.
indecisiveNot clearly defined.
He was too indecisive to carry out his political programme.
indeterminateNot exactly known, established, or defined.
The influence of environment is indeterminate.
insecure(of a job or situation) liable to change for the worse; not permanent or settled.
Badly paid and insecure jobs.
irresoluteUncertain how to act or proceed.
She stood irresolute outside his door.
nebulous(of a concept) vague or ill-defined.
Nebulous distinction between pride and conceit.
noncommittalRefusing to bind oneself to a particular course of action or view or the like.
Her boyfriend was noncommittal about their future together.
suspiciousHaving or showing a cautious distrust of someone or something.
She gave him a suspicious look.
unattachedNot married or having an established partner; single.
She began to wonder if he was unattached.
uncertaintyThe state of being unsure of something.
The uncertainty of the outcome.
unclearNot clear to the mind.
The reason for their actions is unclear to this day.
undecidedNot brought to a conclusion; subject to further thought.
The match was still undecided.
undifferentiatedNot different or differentiated.
By six weeks the sexual glands are as yet undifferentiated between male and female.
unresolvedCharacterized by musical dissonance harmonically unresolved.
Many problems remain unresolved.
unsettledStill in doubt.
An unsettled issue.
vagueOf uncertain, indefinite, or unclear character or meaning.
He had been very vague about his activities.
vaguelyIn a way that is unfocused or lacks attention; absent-mindedly.
He vaguely remembered talking to her once.

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