adjectives
contrived by art rather than nature
"artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners"
artificially formal
"that artificial humility that her husband hated"; "contrived coyness"; "a stilted letter of acknowledgment"; "when people try to correct their speech they develop a stilted pronunciation"
not arising from natural growth or characterized by vital processes
is similar to
lacking the properties characteristic of living organisms