Synonyms for efficaciousness

Most common

efficacy

All synonyms

Noun

Definitions

1. n. 1

   Quality of being efficacious; efficacy.

Example sentences

• efficacy Don't confuse "efficacy" with "efficiency".

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

8 letters

efficacy⁴

The small number after each word is its number of syllables (efficacy⁴ = 4 syllables).