Understanding 'Boisterous' in Context

In her memoir, the author reflects on her childhood, describing her family gatherings as boisterous events filled with laughter, games, and spirited discussions. Yet, she also notes that beneath this lively exterior lay deeper, more subdued emotions that went unspoken. The author captures the contrast between the outwardly cheerful facade and the inner complexities of family life.

In this context, the word boisterous most closely means: