ATTENUATE means to weaken or reduce the force or effect of something. For example, sound waves ATTENUATE as they pass-through a wall lined with foam. The barrier absorbs the energy, ATTENUATING the sound waves so that it is much quieter on the other side.
Students on Reddit have repeatedly reported seeing ATTENUATE as a possible answer for SAT vocabulary in context questions. As a result, ATTENUATE is now appearing on many lists of high-frequency words. However, it is very important to
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note that ATTENUATE has yet to appear as a confirmed correct answer for a vocabulary in context question.
ATTENUATE – to weaken or reduce the force or effect of something; diminish