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Duffer Definition & Meaning - Merriam-Webster
DUFFER | English meaning - Cambridge Dictionary
DUFFER Definition & Meaning | Dictionary.com
Duffer - Definition, Meaning & Synonyms | Vocabulary.com
DUFFER definition and meaning | Collins English Dictionary
duffer - Wiktionary, the free dictionary
duffer noun - Definition, pictures, pronunciation and usage notes ...
duffer | meaning of duffer in Longman Dictionary of …
Duffer - definition of duffer by The Free Dictionary
Duffer Definition & Meaning | Britannica Dictionary