The quality of being full of energy, excitement, and cheerfulness; abundant enthusiasm or liveliness. Overflowing vitality and high spirits.
From Latin exuberare, meaning 'to be very fruitful' or 'overflow.' Composed of ex- (thoroughly) and uber (fertile, abundant). Originally described abundant plant growth, then expanded to describe abundant human energy and enthusiasm.
Think of exuberance as enthusiasm that's so abundant it 'over-flows' like a fountain! The 'uber' root (meaning 'over' in German too) suggests something that goes above and beyond normal levels of excitement.
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