shallow vs trivial

shallow

adj
  • Lacking interest or substance. 

  • Not steep; close to horizontal. 

  • Not far forward, close to the net. 

  • Having little depth; significantly less deep than wide. 

  • Not intellectually deep; not penetrating deeply; simple; not wise or knowing. 

  • Concerned mainly with superficial matters. 

  • Extending not far downward. 

noun
  • A costermonger's barrow. 

  • A shallow portion of an otherwise deep body of water. 

  • A fish, the rudd. 

verb
  • To make or become less deep. 

trivial

adj
  • Ignorable; of little significance or value. 

  • Commonplace, ordinary. 

  • Pertaining to the trivium. 

  • Relating to or designating the name of a species; specific as opposed to generic. 

  • Self-evident. 

  • Concerned with or involving trivia. 

  • Of, relating to, or being the simplest possible case. 

  • Indistinguishable in case of truth or falsity. 

How often have the words shallow and trivial occurred in a corpus of books? (source: Google Ngram Viewer )