Definitions of uncertain

  1. subject to change; "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other" Scrapingweb Dictionary DB
  2. 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" Scrapingweb Dictionary DB
  3. not firm or secure; "balancing three boxes in an uncertain pile" Scrapingweb Dictionary DB
  4. especially in the negative"no uncertain," as in"spoke in no uncertain terms" Scrapingweb Dictionary DB
  5. 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 consquences"; "without further evidence his story must remain uncertain" Scrapingweb Dictionary DB
  6. not certain to occur; not inevitable; "everything is uncertain about the army"; "the issue is uncertain" Scrapingweb Dictionary DB
  7. not consistent or dependable; "an uncertain recollection of events"; "a gun with a rather uncertain trigger" Scrapingweb Dictionary DB
  8. not established or confirmed; "his doom is as yet unsealed" Scrapingweb Dictionary DB
  9. not safe from danger or mishap; "faced an uncertain future"; "an unsure existence" Scrapingweb Dictionary DB
  10. ambiguous (especially in the negative); "she spoke in no uncertain terms" Wordnet Dictionary DB
  11. Not certain; not having certain knowledge; not assured in mind; distrustful. Webster Dictionary DB
  12. Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze. Webster Dictionary DB
  13. Questionable; equivocal; indefinite; problematical. Webster Dictionary DB
  14. Not sure; liable to fall or err; fallible. Webster Dictionary DB
  15. To make uncertain. Webster Dictionary DB
  16. Not sure; doubtful; not positive; not steady; not reliable. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  17. Uncertainly. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  18. Uncertainness. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  19. Not certain; doubtful; variable; changeful; fitful. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  20. Not certain; doubtful; not sure; not reliable; unsettled; fickle; precarious. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  21. Not certain or sure; doubtful; unsettled; precarious. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  22. un-s[.e]r't[=a]n, adj. not certain, doubtful: not to be depended upon: not sure of the result.--adv. UNCER'TAINLY.--ns. UNCER'TAINNESS; UNCER'TAINTY, state of being uncertain or doubtful: want of certainty: that which is uncertain. gutenberg.org/ebooks/37683