n. mental unsoundness
The lunacy of his actions scared those around him.
mental unsoundness;madness; insaneness
sanity
3 syllables
lu-na-cy
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!