Englishegghead
noun
informal
in spite of her love of reading Eva denies being an egghead:
intellectual, intellect, bluestocking, thinker, academic, scholar, sage;
bookworm, bookish person, highbrow;
expert, genius, Einstein, polymath, prodigy, mastermind;
informal brains, bright spark, whiz, wizard, walking encyclopedia;
British, informal brainbox, clever clogs, boffin;
North American, informal brainiac, rocket scientist, maven.
▷antonyms dunce.