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English-Thai Dictionary

inefficacy

N การ ไร้ประโยชน์ ความ ไม่ มีประโยชน์ worthlessness ineffectualness ineffectiveness usefulness effectiveness kan-rai-pra-yod

Webster's 1828 Dictionary

INEFFICACY

n.[in and efficacy, L. efficacia.] 1. Want of power to produce the desired or proper effect; inefficiency; as the inefficacy of medicines or of means.
2. Ineffectualness; failure of effect.

Webster's 1913 Dictionary

INEFFICACY

In *ef "fi *ca *cy, n. Etym: [L. inefficacia. See In- not, and Efficacy. ]

Defn: Want of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. The seeming inefficacy of censures. Bp. Hall. The inefficacy was soon proved, like that of many similar medicines. James Gregory.