inefficacious
1Inefficacious — In*ef fi*ca cious, a. [Pref. in not + efficacious: cf. F. inefficace, L. inefficax.] Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent. Boyle. [1913 Webster] The authority of… …
2inefficacious — [in΄ef i kā′shəs] adj. not efficacious; unable to produce the desired effect [an inefficacious medicine] inefficaciously adv. inefficaciousness n …
3inefficacious — index defunct, disabled (made incapable), futile, inadept, inadequate, ineffective, ineffectual, inept ( …
4inefficacious — (adj.) 1650s, from IN (Cf. in ) (1) not, opposite of + EFFICACIOUS (Cf. efficacious). Related: Inefficaciously; inefficaciousness (1640s) …
5inefficacious — ineffective, ineffectual, inefficient Analogous words: inactive, inert, idle: *futile, vain, fruitless, bootless, abortive: *powerless, impotent Antonyms: efficacious Contrasted words: *powerful, potent, forcible, forceful: cogent, telling,… …
6inefficacious — adjective Date: 1658 lacking the power to produce a desired effect ; ineffective • inefficaciously adverb • inefficaciousness noun …
7inefficacious — inefficaciously, adv. inefficaciousness, inefficacity /in ef i kas i tee/, n. /in ef i kay sheuhs/, adj. not able to produce the desired effect; ineffective. [1650 60; IN 3 + EFFICACIOUS] * * * …
8inefficacious — adjective a) incapable of having the intended consequence b) not effective Syn: ineffective …
9inefficacious — (Roget s Thesaurus II) adjective Not having the desired effect: ineffective, ineffectual, inefficient, useless. See AFFECT …
10inefficacious — A longer way of saying ineffective …