certain Play adjectiveAble to be firmly relied on to happen or be the case.pronounSome but not all. SYNONYMS acceptedacknowledgedas sure as eggs is eggsassuredassured of doing somethingautomaticbeyond doubtbeyond questionboundbound to happenclearconclusiveconfirmeddefinitedependabledestinedeffectiveefficaciousevidentfatedfoolproofguaranteedin the bagincontestableincontrovertibleindisputableindubitableineluctableinescapableinevitableinexorableinfallibleirrefutablemanifestnailed onnecessarynot in doubtnot in questionobviousout of one's handspalpablepatentplainpredestinedpredictablerecognizedreliablesoundsovereignsuresure to happensure-firetestedthere are no two ways about ittransparenttried and testedtrustedtrustworthyunavoidableunchallengeduncontestedundeniableundisputedundoubtedunequivocalunerringunfailingunmistakableunpreventableunquestionableunquestionedvery likely
