の同義語 surefire

dependable foolproof certain excellent fail-safe good infallible reliable

absolutely certain guaranteed settled sure cinched clear-cut clinched confirmed decided ensured fixed insured pronounced racked sealed secure set beyond doubt definite in the bag indubitable irrefutable made certain nailed down on ice sewed up undoubted unquestionable

beyond dispute accurate authentic established incontestable indisputable no mistake no two ways about it positive sure thing uncontestable undeniable unequivocable unshakable

unerring authoritative flawless unbeatable acceptable agreeable apodictic correct effective effectual efficacious efficient exact faultless handy helpful impeccable incontrovertible inerrable inerrant omniscient perfect satisfactory satisfying true trustworthy undeceivable unfailing unimpeachable useful

inevitable assured bound ineluctable inescapable irrevocable unavoidable

unchanging bottomless boundless eternal inexhaustible steadfast unflagging absolute assiduous ceaseless come-through consistent constant continual continuing continuous counted on delivering diligent dyed-in-the-wool endless faithful invariable loyal never-failing persistent rock solid same solid staunch straight there tried-and-true unlimited unrelenting

sure-fire unassailable goofproof tested tried idiot-proof safe

approved endorsed pledged protected secured affirmed ascertained attested bonded certified plighted warranted for a fact for sure have a lock on sure enough

anticipated calculable expected foreseeable foreseen likely prepared

positive assurance confidence inevitability trust belief certitude cinch conviction credence definiteness dogmatism faith firmness lock lockup positiveness positivism setup shoo-in staunchness steadiness stock store sureness surety validity all sewn up authoritativeness indubitableness open and shut case rain or shine sure bet sure thing wrap-up

certain thing cert certainty dead certainty destiny foregone conclusion open-and-shut case safe bet small risk