efficacious
adj/ˌɛf.ɪˈkeɪ.ʃəs/UK/ˌɛf.əˈkeɪ.ʃəs/US/ˌef.əˈkæɪ.ʃəs/
Etymology
From Old French efficacieux, from Latin efficāx (“efficacious”) + -ous, from efficere (“to effect, to accomplish”); see effect.
- derived from efficāx
- derived from efficacieux
Definitions
Effective
Effective; possessing efficacy.
- This medicine is efficacious.
- For, that the ordure, which continually gathers on the skin, would ſoon ſtop the pores of it, if the ſweat were not furniſht with ſome efficacious diſſolvent to open and pierce them.
The neighborhood
Vish — recursive loop
No curated loop yet for efficacious. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA