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Meaning of efficax | Babel Free

Adjective CEFR B1
[ˈɛf.fɪ.kaːks]

Definitions

efficacious, effectual, powerful, efficient

declension-3, one-termination

Equivalents

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
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