- uncertainty, uncertainness - being unsettled or in doubt; "the uncertainty of the outcome"
--1 is a kind of quality
Antonyms: certainty, sure thing, foregone conclusion
--1 has particulars:doubt, dubiousness, doubtfulness, question; indefiniteness, indeterminateness, indefinity, indetermination, indeterminacy; unpredictability; improbability, improbableness; fortuitousness - doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness - the state of being unsure of something
--2 is a kind of cognitive state, state of mind
Antonyms: certainty
--2 has particulars:mental reservation, reservation, arriere pensee; misgiving, mistrust, distrust, suspicion; incredulity, disbelief, skepticism, mental rejection; indecision, indecisiveness, irresolution; suspense