absolute ambiguous apodictic apparent bound categorical certain clean-cut clear clear and distinct clear as crystal clear as day clear-cut coherent conclusive connected consistent crisp crystal crystal-clear crystalline decisive defined definite definitive determinate direct distinct evident explicit express ineluctable inevitable limpid loud and clear lucid luminous manifest necessary obscure obvious palpable patent pellucid perfectly sure perspicuous plain positive predestined predetermined simple specific straightforward sure sure-enough translucent transparent transpicuous TRUE unconfused unequivocal univocal unmistakable well-defined