effectivenessmeaning

noun·B2·13 letters

the quality of producing intended results

Example sentence

Studies confirmed the effectiveness of the new vaccine.

What "effectiveness" looks like in a lesson

The tutor asks, you answer out loud, the tutor answers back. Same word you just looked up.

Voca

Give me a sentence with "effectiveness".

Studies confirmed the effectiveness of the new vaccine.

That works. Now tell me where you last heard "effectiveness".

Tap the mic and answer

Other B2 words

• abandonedleft alone or deserted
• abnormallyin an unusual or irregular way
• abolishto officially end a law or practice
• aboriginalrelating to the earliest known inhabitants
• abruptlysuddenly and without warning
• absenteea person who is absent from a place
• absurdwildly unreasonable or ridiculous
• abusecruel treatment or wrong use of something
• accessibilitythe quality of being easy to reach or use
• accommodationa place where someone lives or stays
• accordinglyin a way that fits the situation
• accumulateto gather or increase gradually over time

Levels come from the CEFR-J Vocabulary Profile v1.5 by Yukio Tono, Tokyo University of Foreign Studies and the Octanove Vocabulary Profile C1/C2 by Octanove Labs, CC BY-SA 4.0 Meanings and example sentences are written by VocaFlare.