1. (a.) Having no depth; shallow.

2. (a.) of measureless depth; unfathomable.

ankle-deep cursory epidermal few footling inconsequential inconsiderable insignificant jejune knee-deep light little low meager miniature negligible no great shakes not deep on the surface petty picayune picayunish shallow shallow-rooted shoal short sketchy skin-deep slight small superficial surface thin tiny trifling trivial uncritical unprofound