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English definition of “fossil”

fossil

noun [C] (PERSON)    /ˈfɒs.əl/ US  /ˈfɑː.səl/
informal humorous an old person, especially one who will not accept new ideasPeople who are boring and old-fashioned
(Definition of fossil noun (PERSON) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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