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SAT Math and Logic - Certainty and Uncertainty

Here you will learn some English words related to certainty and uncertainty, such as "surmise", "hunch", "evident", etc. that you will need to ace your SATs.

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SAT Vocabulary for Math and Logic
assurance
assurance
[noun]

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

Ex: The mentor 's guidance provided the aspiring artist with assurance as they navigated the challenges of a creative career .
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definite
definite
[Adjective]

certainly happening and unlikely to change

Ex: She gave a definite time for the meeting .
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inarguable
inarguable
[Adjective]

beyond debate or argument

Ex: The team 's inarguable dedication to their work led to remarkable achievements .
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undeniable
undeniable
[Adjective]

clearly true and therefore impossible to deny or question

Ex: The results of the experiment were undeniable, confirming the hypothesis .
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conclusive
conclusive
[Adjective]

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

Ex: The conclusive results of the survey revealed a clear preference for the new product .
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infallible
infallible
[Adjective]

incapable of making mistakes or being wrong

Ex: His infallible instincts guided him to success in every decision .
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unequivocal
unequivocal
[Adjective]

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

Ex: She made an unequivocal statement about her position on the issue .
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definitive
definitive
[Adjective]

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

Ex: They reached a definitive agreement after long negotiations .
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undeniable
undeniable
[Adjective]

clearly true and therefore impossible to deny or question

Ex: The results of the experiment were undeniable, confirming the hypothesis .
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evident
evident
[Adjective]

easily perceived by the mind or senses

Ex: The impact of the pandemic was evident in the deserted streets and closed businesses .
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indisputable
indisputable
[Adjective]

fully established or proven beyond any doubt

Ex: The judge ruled based on the indisputable evidence provided by the witness testimony .
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to ensure
to ensure
[Verb]

to make sure that something will happen

Ex: The captain ensured the safety of the passengers during the storm .
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to ascertain

to determine something with certainty by careful examination or investigation

Ex: We are ascertaining the availability of resources .
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undoubtedly
undoubtedly
[Adverb]

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

Ex: The team 's victory was undoubtedly due to their hard work and excellent strategy .
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absolutely
absolutely
[Adverb]

used for strong emphasis or exaggeration

Ex: He absolutely crushed the interview .
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likelihood

the probability or chance of something occurring

Ex: Despite the likelihood of encountering challenges along the way , they remained optimistic about reaching their goal .
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uncertainty

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

Ex: Rising oil prices created uncertainties in the global economy .
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hunch
hunch
[noun]

a feeling or intuition about something, often without conscious reasoning or evidence

Ex: He could n’t explain why , but he had a strong hunch that they would win the game .
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prospect
prospect
[noun]

the likelihood or possibility of something becoming successful in the future

Ex: The student was thrilled about the prospect of attending a prestigious university .
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scenario
scenario
[noun]

a hypothetical sequence of events or a plausible situation that could unfold

Ex: The scientist presented a worst-case scenario for climate change, emphasizing the need for immediate action.
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suspicion
suspicion
[noun]

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

Ex: The community was filled with suspicion about the new mayor ’s intentions .
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hearsay
hearsay
[noun]

unverified talk or rumor circulated informally

Ex: The report turned out to be nothing but hearsay.
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reservation

a lingering uncertainty or hesitation that prevents full acceptance or commitment to something

Ex: The teacher had reservations about the new teaching method but decided to give it a try .
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conjecture

an idea that is based on guesswork and not facts

Ex: The author presented a conjecture about historical events in her latest book .
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tentative
tentative
[Adjective]

hesitant, timid, and not having enough confidence

Ex: The child gave a tentative wave , unsure if he should be noticed .
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dubious
dubious
[Adjective]

(of a person) unsure or hesitant about the credibility or goodness of something

Ex: They were dubious about his commitment to the team after his repeated absences .
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skeptical
skeptical
[Adjective]

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

Ex: The journalist maintained a skeptical perspective , critically examining the sources before publishing the controversial story .
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alleged
alleged
[Adjective]

asserted or claimed to be true, but not yet proven

Ex: She testified about the alleged incident , but there was no evidence to support her claims .
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questionable
questionable
[Adjective]

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

Ex: A man of questionable character may not be the best to trust .
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inconclusive
inconclusive
[Adjective]

not producing a clear result or decision

Ex: The results of the experiment were inconclusive, requiring further testing to reach a clear outcome .
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plausible
plausible
[Adjective]

seeming believable or reasonable enough to be considered true

Ex: The witness provided a plausible account of the events leading up to the accident , based on her observations .
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hesitant
hesitant
[Adjective]

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

Ex: The actor was hesitant to take on the emotionally demanding role in the play .
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putative
putative
[Adjective]

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

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unpredictable
unpredictable
[Adjective]

unable to be predicted because of changing many times

Ex: The stock market is unpredictable, with prices fluctuating rapidly throughout the day .
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prospective
prospective
[Adjective]

likely to become a reality in the future

Ex: The real estate agent provided a virtual tour of the prospective home to interested buyers .
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potential
potential
[Adjective]

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

Ex: They discussed potential candidates for the vacant position .
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to speculate

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

Ex: Neighbors started speculating about the reasons for the sudden increase in security measures .
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to hypothesize

to propose a theory or explanation based on limited evidence

Ex: To solve the engineering problem , the team hypothesized that the structural weaknesses causing the issue might be due to material fatigue .
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to theorize

to express various scenarios about something without necessarily basing it on evidence or facts

Ex: They theorized for hours but could n’t agree on a single explanation .
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to surmise

to come to a conclusion without enough evidence

Ex: After receiving vague responses , she surmised that there might be issues with the communication channels .
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supposedly
supposedly
[Adverb]

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

Ex: He supposedly has insider information , but we should verify the facts before making any decisions .
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