She was devastated when her husband died.

devastated 是动词 devastate 的过去分词形式，表示"极度悲伤、崩溃"的状态。devastate 由前缀 de-（表示"完全"）和词根 vast（"广阔"）加上动词后缀 -ate 组成，原意是"彻底摧毁"，引申为"使极度悲伤"。