fraught with uncertainty or doubt; "they were doubtful that the cord would hold"; "it was doubtful whether she would be admitted"; "dubious about agreeing to go"
not convinced; "they admitted the force of my argument but remained dubious"
open to doubt or suspicion; "the candidate's doubtful past"; "he has a dubious record indeed"; "what one found uncertain the other found dubious or downright false"; "it was more than dubitable whether the friend was as influential as she thought"- Karen Horney
lacking decisiveness of character; unable to act or decide quickly or firmly
subject to accident or chance or change; "a chancy appeal at best"; "getting that job was definitely fluky"; "a fluky wind"; "an iffy proposition"
not decided or not known; "were indefinite about their plans"; "plans are indefinite"
vague or not clearly defined or stated; "must you be so indefinite?"; "amorphous blots of color having vague and indefinite edges"; "he would not answer so indefinite a proposal"
full of hardship or trials; "the rocky road to success"; "they were having a rough time"
abounding in rocks or stones; "rocky fields"; "stony ground"; "bouldery beaches"
causing or characterized by jolts and irregular movements; "a rough ride"
liable to rock; "on high rocky heels"
fraught with danger; "dangerous waters"; "a parlous journey on stormy seas"; "a perilous voyage across the Atlantic in a small boat"; "the precarious life of an undersea diver"; "dangerous surgery followed by a touch-and-go recovery"