1. showing lack of maturity or wisdom; intellectually pretentious but immature

Examples

• His sophomoric humor consisted mainly of crude jokes and puns.
• The debate was filled with sophomoric arguments that lacked depth.
• She found his sophomoric attempts at philosophy annoying.
• The movie’s sophomoric comedy appealed only to teenage audiences.
• His sophomoric behavior at the meeting embarrassed his colleagues.
• The essay was criticized for its sophomoric reasoning and poor logic.