OVERFASTIDIOUS Meaning of OVERFASTIDIOUS in English | ̷ ̷ ̷ ̷(ˌ) ̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷ adjective : unduly or extremely fastidious Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012