Both Uses of
efficacious
in
Harry Potter (#5) and the Order of the Phoenix
- These plants are most efficacious in the inflaming of the brain, and are therefore much used in Confusing and Befuddlement Draughts, where the wizard is desirous of producing hot-headedness and recklessness…
Chpt 18 *efficacious = effective in producing an intended effect
- These plantes are moste efficacious in the inflaming of the braine, and are therefore much used in Confusing and Befuddlement Draughts, where the wizard is desirous of producing hot-headedness and recklessness... ... Hermione said Sirius was becoming reckless cooped up in Grimmauld Place... ... moste efficacious in the inflaming of the braine, and are therefore much used... ... the Daily Prophet would think his brain was inflamed if they found out that he knew what Voldemort was feeling... ... therefore much used in Confusing and Befuddlement Draughts... ... confusing was the word, all right; why did he know what Voldemort was feeling?†
Chpt 18
Definition:
-
(efficacious) effective in producing an intended effect