Liberal Dictionary English Dictionary
noun
- a person who informs or gives information; informer.
- a person who supplies social or cultural data in answer to the questions of an investigator.
- Linguistics. a native speaker of a language who supplies utterances and forms for one analyzing or learning the language.
noun
- a person who gives information about a thing, a subject being studied, etc
1660s, “someone or something that supplies information,” from Latin informantem (nominative informans), present participle of informare (see inform). Meaning “one who gives information to the authorities, informer” is from 1783. As an adjective from 1890. The older noun was informer.