sophomoric

/sษ’fษ™หˆmษ’ษนษชk/
adjective
  1. 1

    Of, relating to, or characteristic of a sophomore

  2. 2

    Conceited and overconfident of knowledge but poorly informed and immature

  3. 3

    Pretentious; inflated in style or manner

    โ€œsophomoric affectationโ€

Source: https://en.wiktionary.org/wiki/sophomoric