s/a335421

Information
has gloss	(adjective) 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" certain
lexicalization	eng: certain

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opposite	(adjective) 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" uncertain
similar	(adjective) known for certain; "it is definite that they have won" definite
similar	(adjective) impossible to doubt or dispute; "indisputable (or sure) proof" indisputable, sure
similar	(adjective) absolutely certain; "it is sure as shooting that they will come" sure as shooting