having or feeling no doubt or uncertainty; confident and assured
certain to occur; destined or inevitable
exercising or taking care great enough to bring assurance
reliable in operation or effect
established irrevocably
definite but not specified or identified
established beyond doubt or question; definitely known
not established or confirmed
subject to change
lacking or indicating lack of confidence or assurance
ambiguous (especially in the negative)
not certain to occur; not inevitable
not consistent or dependable
not established beyond doubt; still undecided or unknown