artificial · adjective /ˌɑrt̬.əˈfɪʃ.əl/
artificial (NOT NATURAL)
B2 not natural, but made by people
Dictionary examples:
an artificial flower/lake
artificial flavors
Learner example:
Zoos are artificial settings for animals. (First Certificate in English; B2; Spanish)
artificial (NOT SINCERE)
C2 not sincere
Dictionary examples:
an artificial smile
Their cheerfulness seemed strained and artificial.
Learner example:
Miss Bartlett probably comes from the poorer part of the family and that is why she always tries to show her unselfishness to Lucy but this is done in a very artificial and annoying way. (Certificate of Proficiency in English; C2; Dutch)