Definition of Internet 1. A computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange Noun Synonyms for word "Internet" Semanticaly linked words with "Internet" Hyponims for word "Internet" has derived form inter- etymology Internetter etymology internetable etymology interweb etymology Internet [Finnish] etymology Internet [French] etymology internet [French] etymology אינטרנט [Hebrew] etymology インターネット [Japanese] etymology Internet [Polish] etymology интернет [Russian] etymology интернет [Tajik] etymologically related extranet etymologically related intranet