Egghead
'egghead' is the definition.
This is all the clue.
(Other definitions for boffin that I've seen before include "Brainbox" , "Technical expert" , "Scientist (sl.)" , "Military scientist" , "(Government) scientist" .)
'egghead' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for nerd that I've seen before include "Anorak (informal)" , "Boring person" , "Computer geek?" , "Foolish or annoying person" , "Technical expert" .)
'egghead' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for intellectual that I've seen before include "Academic" , "Scholarly" , "Person with a highly-developed mind" , "Brainy person" , "Related to rational thought processes" .)