Lingo

Certainty and Uncertainty

40 Words

20m

assurance
1.
a
ssu
rance
Noun

the state of feeling confident, certain, or self-assured about one's abilities, decisions, or actions

With years of experience in her field, she spoke with assurance and authority during the presentation.

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definite
2.
de
fi
nite
Adjective

expressed with clarity and precision, leaving no doubt as to the meaning or intention

I needed a definite answer from my boss so I could plan my work for the coming month without uncertainty.

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3.
in
ar
gua
ble
Adjective

beyond debate or argument

The inarguable truth of his statement silenced all objections.

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undeniable
4.
un
de
nia
ble
Adjective

clearly true and therefore impossible to deny or question

The impact of climate change on the environment is undeniable, as evidenced by rising temperatures and melting ice caps.

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conclusive
5.
conc
lu
sive
Adjective

providing clear and final evidence or proof, leaving no doubt or uncertainty

The DNA evidence provided conclusive proof of the suspect's guilt.

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infallible
6.
in
fa
lli
ble
Adjective

incapable of making mistakes or being wrong

His infallible memory made him a valuable asset to the team.

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unequivocal
7.
un
eq
ui
vo
cal
Adjective

expressing one's ideas and opinions so clearly that it leaves no room for doubt

Her unequivocal support for the policy was evident in her speech.

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definitive
8.
de
fi
ni
tive
Adjective

settling an issue authoritatively and leaving no room for further doubt or debate

The Supreme Court ruling established definitive legal criteria for determining separation of church and state issues going forward.

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evident
9.
e
vi
dent
Adjective

easily perceived by the mind or senses

His frustration was evident in his tone of voice and body language.

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indisputable
10.
in
dis
pu
ta
ble
Adjective

fully established or proven beyond any doubt

The video evidence presented in court was indisputable, clearly showing the defendant committing the crime.

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ensure
11.
en
sure
Verb

to make sure that something will happen

She ensures the quality of the products before they are shipped.

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ascertain
12.
asc
er
tain
Verb

to determine something with certainty by careful examination or investigation

The detective ascertained the identity of the culprit through fingerprint analysis.

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undoubtedly
13.
un
doub
ted
ly
Adverb

used to say that there is no doubt something is true or is the case

She is undoubtedly the best candidate for the job, given her experience and skills.

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absolutely
14.
ab
so
lute
ly
Interjection

used to show complete agreement

"Are you sure this is safe?""Absolutely!"

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likelihood
15.
like
li
hood
Noun

the probability or chance of something occurring

There is a high likelihood of rain this afternoon, based on the forecast and the current cloud cover.

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uncertainty
16.
un
cer
tain
ty
Noun

a condition or situation that is unsettled, dependent on chance, or unpredictable, often causing doubt

The financial market is full of uncertainties.

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hunch
17.
hunch
Verb

to bend the upper side of the body forward and make a rounded back

As the storm approached, people hunched against the wind and rain, trying to shield themselves.

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prospect
18.
pros
pect
Noun

a visual view, scene, or panorama of a particular region or landscape

From the hilltop, the prospect of the valley was breathtaking.

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scenario
19.
sce
na
rio
Noun

a written description of the characters, events, or settings in a movie or play

The screenwriter presented several scenarios for the plot of the upcoming movie.

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suspicion
20.
sus
pi
cion
Noun

a feeling of doubt or mistrust towards someone or something, often without concrete evidence or proof

She had a suspicion that he was hiding something from her.

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hearsay
21.
hear
say
Noun

(law) restatement of other people's words by a witness in a law court, which is not counted as evidence

The judge ruled the testimony inadmissible because it was based on hearsay.

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reservation
22.
re
ser
va
tion
Noun

a protected area of land where wild animals can live without being hunted or disturbed by human activities

The government established a reservation to protect endangered species.

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conjecture
23.
con
jec
ture
Verb

to form an idea or opinion about something with limited information or unclear evidence

When the news spread about the missing person, neighbors started to conjecture about the possible reasons for their disappearance.

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tentative
24.
te
n
tative
Adjective

not firmly established or decided, with the possibility of changes in the future

They reached a tentative agreement on the terms of the contract, pending further negotiation.

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dubious
25.
du
bious
Adjective

causing doubt or suspicion

His dubious explanation for being late didn’t seem believable.

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skeptical
26.
skep
ti
cal
Adjective

having doubts about something's truth, validity, or reliability

Despite the promising claims, Lisa remained skeptical about the new diet's effectiveness.

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allege
27.
a
llege
Verb

to say something is the case without providing proof for it

Parents of the student allege that the school did not take the bullying complaints seriously.

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questionable
28.
ques
tio
na
ble
Adjective

doubtful or uncertain in terms of quality, reliability, or legitimacy

The decision to proceed with the project was questionable, given the lack of funding.

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inconclusive
29.
in
conc
lu
sive
Adjective

not producing a clear result or decision

The medical tests were inconclusive, so further examination is needed to determine the cause of the symptoms.

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plausible
30.
plau
si
ble
Adjective

seeming believable or reasonable enough to be considered true

The detective found his alibi to be plausible, as several witnesses corroborated his story.

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hesitant
31.
he
si
tant
Adjective

uncertain or reluctant to act or speak, often due to doubt or indecision

The hesitant student stood at the front of the class, unsure whether to ask a question.

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putative
32.
pu
ta
tive
Adjective

considered true and accepted by all but not known for a fact

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unpredictable
33.
un
pre
dic
ta
ble
Adjective

unable to be predicted because of changing many times

The weather in this region is highly unpredictable, with sudden changes in temperature and frequent storms.

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prospective
34.
pros
pec
tive
Adjective

likely to become a reality in the future

The prospective merger between the two companies has generated a lot of interest in the business community.

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potential
35.
po
ten
tial
Adjective

having the possibility to develop or be developed into something particular in the future

She saw potential issues with the project and addressed them early on.

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speculate
36.
spec
u
late
Verb

to form a theory or opinion about a subject without knowing all the facts

Observing the unusual behavior, scientists began to speculate about the potential causes of the phenomenon.

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hypothesize
37.
hy
po
the
size
Verb

to propose a theory or explanation based on limited evidence

Before conducting the experiment, scientists need to hypothesize about the expected outcomes based on existing knowledge.

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theorize
38.
theo
rize
Verb

to formulate a hypothesis to explain something, often as a starting point for further investigation or study

Scientists theorized that the changes in temperature were causing the polar ice caps to melt more rapidly.

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surmise
39.
sur
mise
Verb

to come to a conclusion without enough evidence

Unable to find the missing document, he could only surmise that it might have been misplaced.

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supposedly
40.
su
ppo
sed
ly
Adverb

used to suggest that something is assumed to be true, often with a hint of doubt

She was supposedly the last person to leave the building, according to eyewitnesses.

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