Main entry: uncertain
Definition: not established beyond doubt; still undecided or unknown
Usage: 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
Antonyms: certain
Definition: established beyond doubt or question; definitely known
Antonyms: definite
Definition: precise; explicit and clearly defined
Main entry: uncertain, unsure, incertain
Definition: lacking or indicating lack of confidence or assurance
Usage: 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
Main entry: uncertain
Definition: not certain to occur; not inevitable
Usage: everything is uncertain about the army; the issue is uncertain
Main entry: unsealed, uncertain
Definition: not established or confirmed
Usage: his doom is as yet unsealed
Main entry: unsettled, uncertain, changeable
Definition: subject to change
Usage: a changeable climate; the weather is uncertain; unsettled weather with rain and hail and sunshine coming one right after the other
Antonyms: invariable
Definition: not liable to or capable of change
Main entry: uncertain
Definition: ambiguous (especially in the negative)
Usage: she spoke in no uncertain terms
Antonyms: unambiguous
Definition: having or exhibiting a single clearly defined meaning
Main entry: uncertain
Definition: not consistent or dependable
Usage: an uncertain recollection of events; a gun with a rather uncertain trigger
Antonyms: reliable, dependable
Definition: worthy of reliance or trust