Latin | English |
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efficax [efficacis (gen.), efficacior -or -us, efficacissimus -a -um] adjective | effective, capable of filling some functionadjective legally validadjective person / medicineadjective |
inefficax [inefficacis (gen.), inefficacior -or -us, inefficacissimus -a -um] adjective | inefficaxadjective not potent / efficacious (remedies), ineffectiveadjective useless, ineffectual, unavailing, achieving nothingadjective |