unefficacious

Questions

What does unefficacious mean?

Not efficacious.

Where does unefficacious come from?

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English efficacious English unefficacious From un- + efficacious.

How to pronounce unefficacious

1. Open the pronunciation page — Open the Speakur entry for “unefficacious”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “unefficacious”.
4. Repeat and practice — Say “unefficacious” aloud, matching stress and vowels until it feels natural.