s/a336168

Information
has gloss	(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
lexicalization	eng: uncertain

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opposite	(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
similar	(adjective) not decided or not known; "were indefinite about their plans"; "plans are indefinite" indefinite
similar	(adjective) very uncertain; "left everything up in the air" up in the air