Meaning of REDUNDANT in English

REDUNDANT

adj.1 superfluous; not needed.

2 that can be omitted without any loss of significance.

3 (of a person) no longer needed at work and therefore unemployed.

4 Engin. & Computing (of a component) not needed but included in case of failure in another component.

Derivatives:

redundancy n. (pl. -ies). redundantly adv.

Etymology: L redundare redundant- (as REDOUND)

Oxford English vocab.      Оксфордский английский словарь.