Definition of inefficacious in English:


Translate inefficacious into Spanish

Pronunciation /ˈinefiˈkāSHəs/ /ˈɪnɛfɪˈkeɪʃəs/


  • Not producing the desired effect.

    • ‘Then I just started wittering in a pretty inefficacious way at the Carribean customer service woman.’
    • ‘But though it is not absolutely efficacious under all circumstances, it is of great potency always, and rarely inefficacious.’
    • ‘The ambitious but inefficacious poor soul has tried his best.’
    • ‘Functionalism certainly does not imply that the mind is inefficacious.’
    ineffective, unsuccessful, non-successful, unproductive, fruitless, profitless, unprofitable, abortive, failed, futile, purposeless, worthless, useless, ineffectual, inefficient, inadequate, vain, unavailing, to no effect
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/ˈinefiˈkāSHəs/ /ˈɪnɛfɪˈkeɪʃəs/