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of no effect

adjective

Roget 169: unproductive, acarpous, inoperative, barren, addled, infertile, unfertile, unprolific, arid, sterile, unfruitful, infecund; sine prole; fallow; ... show more

Roget 732: unsuccessful, successless; failing, tripping etc. v.; at fault; unfortunate etc. 735.    abortive, addle, stillborn; fruitless, ... show more

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