All conjecturable antonyms

adjective conjecturable

• certain — If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.
• definite — If something such as a decision or an arrangement is definite, it is firm and clear, and unlikely to be changed.
• factual — of or relating to facts; concerning facts: factual accuracy.
• real — true; not merely ostensible, nominal, or apparent: the real reason for an act.
• sure — free from doubt as to the reliability, character, action, etc., of something: to be sure of one's data.
• calculated — If something is calculated to have a particular effect, it is specially done or arranged in order to have that effect.
• confirmed — You use confirmed to describe someone who has a particular habit or belief that they are very unlikely to change.
• measured — ascertained or apportioned by measure: The race was over the course of a measured mile.
• proved — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
• proven — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
• reliable — that may be relied on or trusted; dependable in achievement, accuracy, honesty, etc.: reliable information.
• truthful — telling the truth, especially habitually: a truthful person.
• unbelievable — too dubious or improbable to be believed: an unbelievable excuse.
• unreasonable — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
• impossible — not possible; unable to be, exist, happen, etc.
• improbable — not probable; unlikely to be true or to happen: Rain is improbable tonight.
• incomprehensible — impossible to understand or comprehend; unintelligible.
• unimaginable — capable of being imagined or conceived.
• unthinkable — inconceivable; unimaginable: the unthinkable size of the universe.
• unlikely — not likely to be or occur; improbable; marked by doubt.
• implausible — not plausible; not having the appearance of truth or credibility: an implausible alibi.
• inapt — not apt or fitting.
• unforeseeable — to have prescience of; to know in advance; foreknow.