be certain Antonyms

temporise titubate tetter tergiversate swing straddle stammer stagger shimmy seesaw seem rouleau rotate roll rocking-chair rocking totter tremble teeter-totter shrink back nutate pussyfoot tap dancing judder bobble shy away from whiffle weave waver wamble wabble volutation tremolo rock rictus hobbler hobble hesitate haver hang fumble fluctuate flitter euphemize equivocate doubt dodder curvet beware baulk