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The definition of boffin

3 Definitions of: boffin

1. noun, a scientist, esp one carrying out military research
2. noun, a person who has extensive skill or knowledge in a particular field
3. noun, someone who is considered to be very clever, often to the exclusion of all non-academic interests
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5. Show me the etymology of the word: boffin

Synonyms:	Brit. informal expert, authority, intellectual, genius, guru, inventor, think, wizard, mastermind, intellect	And more...

From Collins