Antonyms of adj uncertain

7 senses of uncertain

Sense 1
uncertain (vs. certain), unsure (vs. sure), incertain -- (lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers")

certain(predicate) (vs. uncertain), sure (vs. unsure) -- (having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends")
        => convinced (predicate), positive (predicate), confident (predicate) -- (persuaded of; very sure; "were convinced that it would be to their advantage to join"; "I am positive he is lying"; "was confident he would win")

Sense 2
uncertain (vs. certain) -- (not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain")

certain(predicate) (vs. uncertain) -- (established beyond doubt or question; definitely known; "what is certain is that every effect must have a cause"; "it is certain that they were on the bus"; "his fate is certain"; "the date for the invasion is certain")
        => definite -- (known for certain; "it is definite that they have won")
        => indisputable, sure -- (impossible to doubt or dispute; "indisputable (or sure) proof")
        => sure as shooting -- (absolutely certain; "it is sure as shooting that they will come")

Sense 3
unsealed (vs. sealed), uncertain -- (not established or confirmed; "his doom is as yet unsealed")


Sense 4
uncertain (vs. certain) -- (not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain")

certain (vs. uncertain), sure -- (certain to occur; destined or inevitable; "he was certain to fail"; "his fate is certain"; "In this life nothing is certain but death and taxes"- Benjamin Franklin; "he faced certain death"; "sudden but sure regret"; "he is sure to win")
        => bound (predicate), destined -- ((usually followed by `to') governed by fate; "bound to happen"; "an old house destined to be demolished"; "he is destined to be famous")
        => doomed, fated -- ((usually followed by `to') determined by tragic fate; "doomed to unhappiness"; "fated to be the scene of Kennedy's assassination")
        => foreordained, predestinate, predestined -- (established or prearranged unalterably; "his place in history was foreordained"; "a sense of predestinate inevitability about it"; "it seemed predestined since the beginning of the world")
        => in for (predicate) -- (certain to get or have; "he knew he was in for a licking")

Sense 5
changeable, uncertain, unsettled -- (subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other")

INDIRECT (VIA variable) -> invariable -- (not liable to or capable of change; "an invariable temperature"; "an invariable rule"; "his invariable courtesy")

Sense 6
uncertain -- (not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger")

INDIRECT (VIA unreliable, undependable) -> reliable, dependable -- (worthy of reliance or trust; "a reliable source of information"; "a dependable worker")
INDIRECT (VIA unreliable, undependable) -> reliable, dependable -- (worthy of reliance or trust; "a reliable source of information"; "a dependable worker")

Sense 7
uncertain -- (ambiguous (especially in the negative); "she spoke in no uncertain terms")

INDIRECT (VIA ambiguous) -> unambiguous -- (having or exhibiting a single clearly defined meaning; "As a horror, apartheid...is absolutely unambiguous"- Mario Vargas Llosa)

Similarity of adj uncertain

7 senses of uncertain

Sense 1
uncertain (vs. certain), unsure (vs. sure), incertain -- (lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers")
       => ambivalent -- (uncertain or unable to decide about what course to follow; "was ambivalent about having children")
       => doubtful, dubious -- (fraught with uncertainty or doubt; "they were doubtful that the cord would hold"; "it was doubtful whether she would be admitted"; "dubious about agreeing to go")
       => groping -- (acting with uncertainty or hesitance or lack of confidence; "a groping effort to understand")

Sense 2
uncertain (vs. certain) -- (not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain")
       => indefinite -- (not decided or not known; "were indefinite about their plans"; "plans are indefinite")
       => up in the air -- (very uncertain; "left everything up in the air")
          Also See-> indeterminate#1, undetermined#2

Sense 3
unsealed (vs. sealed), uncertain -- (not established or confirmed; "his doom is as yet unsealed")

Sense 4
uncertain (vs. certain) -- (not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain")
       => chancy, fluky, flukey, iffy -- (subject to accident or chance or change; "a chancy appeal at best"; "getting that job was definitely fluky"; "a fluky wind"; "an iffy proposition")
       => contingent -- (uncertain because of uncontrollable circumstances; "the results of confession were not contingent, they were certain"- George Eliot)
       => up in the air -- (not yet determined; "plans are still up in the air")
          Also See-> unpredictable#1

Sense 5
changeable, uncertain, unsettled -- (subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other")
       => variable (vs. invariable) -- (liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses")

Sense 6
uncertain -- (not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger")
       => unreliable (vs. reliable), undependable (vs. dependable) -- (not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant")

Sense 7
uncertain -- (ambiguous (especially in the negative); "she spoke in no uncertain terms")
       => ambiguous (vs. unambiguous) -- (having more than one possible meaning; "ambiguous words"; "frustrated by ambiguous instructions, the parents were unable to assemble the toy")

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