uncertainty

uncertainty
I
(New American Roget's College Thesaurus)
n. incertitude, doubt.
II
(Roget's IV) n.
1. [The mental state of being uncertain]
Syn. perplexity, doubt, dubiety, dubiosity, skepticism, puzzlement, quandary, mystification, guesswork, conjecture, indecision, ambivalence, dilemma.
Ant. opinion*, belief*, decision.
2. [The state of being undetermined or unknown]
Syn. incertitude, questionableness, contingency, obscurity, vagueness, ambiguity, equivocalness, doubt, difficulty, incoherence, intricacy, darkness, inconclusiveness, indeterminateness, improbability, unlikelihood, low probability, conjecturability; see also doubt 2 .
Ant. determination*, sureness, necessity.
3. [That which is not determined or not known]
Syn. chance, mutability, change, unpredictability, possibility, emergence, contingency, blind spot, puzzle, enigma, question, blank, vacancy, maze, theory, risk, blind bargain, leap in the dark*.
Ant. fact*, truth*, matter of record.
Syn.- uncertainty ranges in implication from a mere lack of absolute sureness [uncertainty about a date of birth ] to such vagueness as to preclude anything more than guesswork [ the uncertainty of the future ] ; doubt implies such a lack of conviction, as through absence of sufficient evidence, that there can be no certain opinion or decision [ there is doubt about his guilt ] ; dubiety suggests uncertainty characterized by wavering between conclusions; dubiosity connotes uncertainty characterized by vagueness or confusion; skepticism implies an unwillingness to believe, often a habitual disposition to doubt, in the absence of absolute certainty or proof
III
(Roget's 3 Superthesaurus) n.
doubt, doubtfulness, question, indefiniteness, dubiety, ambiguity, unpredictability, guesswork, guess, speculation, conjecture, unknown.
ANT.: certainty, assurance
IV
(Roget's Thesaurus II) noun 1. The quality or state of being ambiguous: ambiguity, ambiguousness, cloudiness, equivo-calness, indefimteness, nebulousness, obscureness, obscurity, unclearness, vagueness. See CLEAR. 2. A lack of conviction or certainty: doubt, doubtfulness, dubiety, dubiousness, incertitude, mistrust, question, skepticism, suspicion, wonder. See CERTAIN.

English dictionary for students. 2013.

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