Of, relating to, or characteristic of a sophomore.
2
Conceited and overconfident of knowledge but poorly informed and immature.
The editors agree with that “and make that puerile, sophomoric, and jejune too,” says Beard.
3
Pretentious; inflated in style or manner.
sophomoric affectation
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Idioms & Phrases
Example Bank
3
01
The editors agree with that “and make that puerile, sophomoric, and jejune too,” says Beard.
Wiktionary
02
sophomoric affectation
Wiktionary
03
The word "sophomoric," means juvenile or, as Merriam-Webster's dictionary puts it, "conceited and overconfident of knowledge but poorly informed and immature."