他在会议上的发言充满了对同事的谩骂。

His speech at the meeting was full of vituperation towards his colleague.

vituperation 是名词，来自拉丁语 vituperare（责备、辱骂），指"恶毒的言语攻击"或"谩骂"。这个词通常用于正式场合描述激烈的言语攻击行为。