Inefficacious


[in-ef-i-key-shuh s] /ˌɪn ɛf ɪˈkeɪ ʃəs/

adjective
1.
not able to produce the desired effect; ineffective.
/ˌɪnɛfɪˈkeɪʃəs/
adjective
1.
failing to produce the desired effect
adj.

1650s, from in- (1) “not, opposite of” + efficacious. Related: Inefficaciously; inefficaciousness (1640s).

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  • Inefficacy

    [in-ef-i-kuh-see] /ɪnˈɛf ɪ kə si/ noun 1. lack of power or capacity to produce the desired effect. n. “want of force or virtue to produce the desired effect,” 1610s, from Late Latin inefficacia, from inefficacem (nominative inefficax), from in- “not, opposite of” (see in- (1)) + efficax (see efficacy).

  • Inefficiency

    [in-i-fish-uh n-see] /ˌɪn ɪˈfɪʃ ən si/ noun, plural inefficiencies for 2. 1. the quality or condition of being ; lack of efficiency. 2. an instance of inefficiency: This work is riddled with inefficiencies.

  • Inefficient

    [in-i-fish-uh nt] /ˌɪn ɪˈfɪʃ ənt/ adjective 1. not ; unable to effect or achieve the desired result with reasonable economy of means. 2. lacking in ability, incompetent. /ˌɪnɪˈfɪʃənt/ adjective 1. unable to perform a task or function to the best advantage; wasteful or incompetent 2. unable to produce the desired result adj. 1750, “not producing […]

  • Inefficiently

    [in-i-fish-uh nt] /ˌɪn ɪˈfɪʃ ənt/ adjective 1. not ; unable to effect or achieve the desired result with reasonable economy of means. 2. lacking in ability, incompetent. /ˌɪnɪˈfɪʃənt/ adjective 1. unable to perform a task or function to the best advantage; wasteful or incompetent 2. unable to produce the desired result adj. 1750, “not producing […]

  • Inegalitarian

    [in-i-gal-i-tair-ee-uh n] /ˌɪn ɪˌgæl ɪˈtɛər i ən/ adjective 1. not ; lacking in or disdaining equality.


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