Any process that stops, prevents or reduces the frequency, rate or extent of cysteine metabolic process.
Synonyms:
exact_synonym:
down regulation of cysteine metabolic process; down regulation of cysteine metabolism; downregulation of cysteine metabolic process; downregulation of cysteine metabolism; negative regulation of cysteine metabolism
narrow_synonym:
inhibition of cysteine metabolic process; inhibition of cysteine metabolism