based off

is not in our dictionary (yet). Here's what it could mean:

Results generated using artificial intelligence.

prepositional phrase

A common, though often considered non-standard, alternative to 'based on,' indicating that something is derived from, founded upon, or uses another thing as its primary source or justification.

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is all based off of history or things that are happening at the time that she’s written it.

From Los Angeles Times ● Aug. 13, 2026

The station is still based off the north-east Essex coast, although many presenters broadcast their shows remotely.

From BBC ● Aug. 10, 2026