We found one dictionary that defines the word joining in:

General (1 matching dictionary)

1. joining in: Wiktionary

Phrases: joining in the conversation verb, joining in conversation, more... ▸ Words similar to joining in ▸ Usage examples for joining in ▸ Idioms related to joining in ▸ Wikipedia articles (New!) ▸ Words that often appear near joining in ▸ Rhymes of joining in ▸ Invented words related to joining in