artificial

US /ˌɑrtəˈfɪʃəl/

UK /ˌɑ:tɪ'fɪʃl/

B1TOEIC
adj.AdjectiveDishonest, to seem fake, not sincere
His behavior becomes artificial when he is around many people
adj.Adjective(Something) made by people; not created by nature
These days, many foods are made with artificial flavors instead of natural flavors

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