- sure
- sure [adj1] certain, definite abiding, assured, changeless, clear, confident, constant, convinced, convincing, decided, doubtless, enduring, firm, fixed, for a fact, free from doubt*, genuine, incontestable, incontrovertible, indisputable, indubitable, never-failing, persuaded, positive, real, satisfied, set, steadfast, steady, telling, unchangeable, unchanging, uncompromising, undeniable, unequivocal, unfailing, unfaltering, unqualified, unquestionable, unquestioning, unshakable, unshaken, unvarying, unwavering, valid; concept 535 —Ant. doubtful, dubious, indefinite, uncertain, unsure, variable, wavering sure [adj2] physically stable fast, firm, fixed, safe, secure, solid, staunch, steady, strong; concept 488 —Ant. swerving, unsteady, unsure, wavering, wobbly sure [adj3] inevitable assured, bound, certain, guaranteed, indisputable, ineluctable, inerrant, inescapable, infallible, irrevocable, surefire, unavoidable, unerring, unfailing; concept 548 —Ant. doubted, doubtful, dubious, unsure sure [adj4] self-confident arrogant, assured, certain, composed, confident, decided, decisive, positive, self-assured, self-possessed; concept 401 —Ant. humbled, uncertain, unconfident, unself-confident, unsure
New thesaurus. 2014.