redundant
/ɹɪˈdʌn.dənt/
adjective
Meaning
Superfluous; exceeding what is necessary.
(of words, writing, etc) Repetitive or needlessly wordy.
Dismissed from employment because no longer needed.
"Four employees were made redundant."
Duplicating or able to duplicate the function of another component of a system, providing backup in the event the other component fails.
Synonyms