Antonyms for sure

Antonyms of adj sure

9 senses of sure

Sense 1:

certain(predicate) (vs. uncertain), sure (vs. unsure)

uncertain (vs. certain), unsure (vs. sure), incertain
ambivalentdoubtful, dubiousgroping

Sense 2:

certain, sure

INDIRECT (VIA careful) -> careless

Sense 3:

certain (vs. uncertain), sure

Sense 4:

sure

INDIRECT (VIA secure) -> insecure, unsafe

Sense 5:

certain, sure

INDIRECT (VIA reliable, dependable) -> unreliable, undependable
INDIRECT (VIA reliable, dependable) -> unreliable, undependable

Sense 6:

sure, trusted

INDIRECT (VIA trustworthy) -> untrustworthy, untrusty

Sense 7:

sure

INDIRECT (VIA true) -> false

Sense 8:

sure

INDIRECT (VIA steady) -> unsteady

Sense 9:

indisputable, sure

INDIRECT (VIA certain) -> uncertain

Antonyms of adv sure