Antonym of certainty

Antonyms of noun certainty

2 senses of certainty

Sense 1:

certainty
Antonym of uncertainty (Sense 2)
=>doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness

Sense 2:

certainty, sure thing, foregone conclusion
Antonym of uncertainty (Sense 1)
=>uncertainty, uncertainness, precariousness