Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner. It describes overly enthusiastic or gushing emotional expression.
From Latin 'effusus,' past participle of 'effundere,' meaning 'to pour out,' composed of 'ex-' (out) and 'fundere' (to pour). The word suggests emotions pouring out freely, entering English in the 17th century.
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