GRE Vocabulary

GRE Word: Efficacious - Meaning, Synonyms and Example

Published August 24, 2026 · 2 views

efficacious (adjective)

Meaning

Efficacious: producing the desired result.

Synonyms

effective, potent

Example Sentence

The treatment was efficacious.

Memory Tip

Make a flashcard: write efficacious on one side and the meaning with your own sentence on the other. Review it three times this week.