depthless

lacking significant physical depth three inches of water may seem rather depthless, but unattended babies have drowned in bathtubs with that amount Synonyms shallow, shoalRelated Words skin-deep, superficial, surface; fathomable, measurable; finite, limited, measured, restricted; even, flat, flush, horizontal, level, plane, smooth; two-dimensionalNear Antonyms abysmal, abyssal, bottomless, boundless, endless, immeasurable, inestimable, infinite, limitless, measureless, profound, unfathomable, unlimited, vast; navigableAntonyms deep