What is the meaning of shallow?

noun

• A stretch of shallow water.
  • synonyms: shoal

verb

• Make shallow.
  • usage: "The silt shallowed the canal"
  • synonyms: shoal
• Become shallow.
  • usage: "the lake shallowed over time"
  • synonyms: shoal

adjective

• Lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center.
  • usage: "shallow water"; "a shallow dish"; "a shallow cut"; "a shallow closet"; "established a shallow beachhead"; "hit the ball to shallow left field"
• Not deep or strong; not affecting one deeply.
  • usage: "shallow breathing"; "a night of shallow fretful sleep"; "in a shallow trance"
• Lacking depth of intellect or knowledge; concerned only with what is obvious.
  • usage: "shallow people"; "his arguments seemed shallow and tedious"