Synthetic (7)
'synthetic' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for artificial that I've seen before include "Kiss of life" , "Bogus" , "Assumed" , "Contrived, false" .)
'synthetic' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for man-made that I've seen before include "Constructed by humans, not by nature" , "Artificial, synthetic" , "Caused by humans" .)
'synthetic' is the definition.
(plastic is a synthetic material)
This is the entire clue.
(Other definitions for plastic that I've seen before include "Synthetic material; credit cards (colloq.)" , "Credit card - pliable" , "Mouldable material" , "Ubiquitous synthetic material" , "(Originally malleable) material" .)