Definition of “modern” - Learner’s Dictionary

modern

adjective us uk /ˈmɒdən/
NOW

B1 relating to the present time and not to the past:

modern society
the stresses of modern life

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NEW

A2 using the newest ideas, design, technology, etc and not traditional:

modern medicine

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modernity noun [ U ] us uk /mɒdˈɜːnəti/ formal

modern ideas, design, technology, etc

(Definition of “modern” from the Cambridge Learner's Dictionary © Cambridge University Press)