(adj): uncertain or unable to decide about what course to follow
(adj): fraught with uncertainty or doubt
(adj): acting with uncertainty or hesitance or lack of confidence
(adj): vs. certain) -- (not established beyond doubt; still undecided or unknown
(adj): not decided or not known
(adj): very uncertain
(adj): vs. sealed), uncertain -- (not established or confirmed
(adj): vs. certain) -- (not certain to occur; not inevitable
(adj): subject to accident or chance or change
(adj): uncertain because of uncontrollable circumstances
(adj): not yet determined
(adj): subject to change
(adj): vs. invariable) -- (liable to or capable of change
(adj): not consistent or dependable
(adj): vs. reliable), undependable (vs. dependable) -- (not worthy of reliance or trust
(adj): ambiguous (especially in the negative)
(adj): vs. unambiguous) -- (having more than one possible meaning
a town in Texas, USA
Mr Dedalus, peering through his glasses towards the veiled sun, hurled a mute curse at the sky.
-- It's as uncertain as a child's bottom, he said.
Joyce, Ulysses, 6