Strong's 2673 (καταργέω)

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abolish, cease, cumber, deliver, destroy, do away, become (make) of no (none, without) effect, fail, loose, bring (come) to nought, put away (down), vanish away, make void

to be (render) entirely idle (useless), literally or figuratively

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from G2596 (κατά) and G691 (ἀργέω);