unnecessary repetition or excess
The backup system is redundant but provides safety in case of failure.
Vocabulary like redundant appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
tell; narrate or give a detailed account of
find again; get or find back; recover the use of
correct; math: determine the length of
righteousness; righteousness as a consequence of being honorable and honest
lying down; lying down; in a position of comfort or rest
recover; regain or make up for
repeating; recurring again and again
strongly suggestive
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