I. adjective
1.
lacking physical depth
buried in a shallow grave
Synonyms: shoal, superficial
Related Word: shallowish; surface
Idioms: as deep as a mud puddle, no deeper than a heavy dew, not deep enough to float a match
Contrasted words: bottomless, unfathomable
Antonyms: deep
2.
Synonyms: superficial 2, cursory, depthless, sketchy, uncritical
Related Word: paltry, petty, trifling, trivial; empty, hollow, idle, vain; bird-witted, featherbrained, flighty
Contrasted words: heavy, profound; discerning, penetrating
Antonyms: deep
II. noun
Synonyms: shoal
Antonyms: deep