1. (adj)uncertain, unsure, 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"
2. (adj)uncertain 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"
3. (adj)unsealed, uncertain not established or confirmed
"his doom is as yet unsealed"
4. (adj)uncertain not certain to occur; not inevitable "everything is uncertain about the army"; "the issue is uncertain"
5. (adj)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"
6. (adj)uncertain not consistent or dependable
"an uncertain recollection of events"; "a gun with a rather uncertain trigger"
7. (adj)uncertain ambiguous (especially in the negative)
"she spoke in no uncertain terms"
Definition of 'uncertain'
