to guarantee that something specific will happen

to check the wellbeing, truth, or condition of someone or something

to put trust in something or someone

to think that something is true based on probability or likelihood

to make a decision by throwing a coin in the air and guessing which of its sides will be facing upward when it lands

to regard something or someone as smaller or less important than they really are

to become less resolved or determined; to cause someone to become less resolved or certain

displaying confidence in oneself and one's capabilities

according to facts instead of opinions

improbable or unlikely to happen or be the case

(of a person) unsure of the credibility of something; uncertain whether or not something is good

not producing a clear result or decision

displaying forcefulness and determination

prepared for something or to do something; likely to do something

(particularly of something bad) assumed to have happened or be the case without having any proof

(of an agreement, etc.) indefinite or uncertain because one might make some changes to it in the future

to certainly happen at some point in the future

used to show one's uncertainty of something

used to convey that something cannot happen under any given circumstances

used to say that one can never be sure of something

the action of trying to provide an answer without having all the necessary information

the fact of being uncertain about something

one's thoughts or expectations regarding what will happen in the future

a logically contradictory statement that might actually be true

something about which one cannot be certain; a situation that causes one to feel unsure

very likely to happen or be the case

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

said to mean that a good or bad event occurred by chance