Synonyms for shallow
Lacking physical depth
shoal, depthless, slight, inconsiderable, superficial, with the bottom in plain sight, with no depth, with little depth, not deep, as deep as a mud puddle*, not deep enough to float a match*, no deeper than a heavy dew*.
Antonyms deep*, bottomless, unfathomable.
Lacking intellectual depth
superficial, simple, silly, trifling, frothy, insane, frivolous, superficial, petty, foolish, farcical, idle, unintelligent, piffling*, piddling*, namby-pamby*, lightweight*, wishy-washy*; see also dull 3, stupid 1.
Antonyms profound*, philosophic, wise. See syn. study at superficial.superficial.
See shallow in Webster's New World Roget's A-Z Thesaurus II
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