/ɪnˈfɔ:mənt ||; ɪnˈfɔrmənt/noun [C] a person who gives secret knowledge or information about sb/sth to the police or a newspaper 提供秘密消息或情报的人；密报者；网民: The journalist refused to name his informant. 这个记者拒绝透露提供消息的人是谁。 ☞Look at informer. 参看informer。