Unmetered
The Century Dictionary and Cyclopedia
Not measured by a meter, as a flow of water or gas of which no such measurement is taken.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Not
metered
, not charged on a meter (as
Internet
bandwidth
).
Word Usage
"(I use the term unmetered because neither service is truly unlimited; both impose fair and reasonable use terms.)"