free from doubt

assured clear confident convinced positive

abiding changeless constant convincing decided doubtless enduring firm fixed for a fact genuine incontestable incontrovertible indisputable indubitable never-failing persuaded real satisfied set steadfast steady telling unchangeable unchanging uncompromising undeniable unequivocal unfailing unfaltering unqualified unquestionable unquestioning unshakable unshaken unvarying unwavering valid

doubtful uncertain unsure

doubted dubious humbled indefinite swerving unconfident unself-confident unsteady variable wavering wobbly

abiding assured certain changeless clear confident constant convinced convincing decided doubtless enduring firm fixed for a fact 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