based

[ beyst ]

adjective

1. having a specified object or material as its base or foundation or as its primary constituent (often used in combination):

   Our house was one of the three stone-based houses of that era, built by my maternal grandfather.

2. established, grounded, or focused on a specified principle or belief, fact, method, etc. (often used in combination):

   It’s a culturally based phys ed curriculum that uses Indian traditions and values to teach healthy lifestyle habits.

   There are a number of promising evidence-based treatment modalities to address depression.

3. having a specified place as its primary location or headquarters; stationed or situated (often used in combination):

   A centrally based Houston media agency is looking for a Digital Account Manager to help with a key communications client.

   The Chicago-based HIV/AIDS organization provides housing, healthcare, and substance abuse programs for its clients.

4. having a specified origin or source (often used in combination):

   They want to replace animal-based foods with plant-based milks and vegetable protein.

5. Slang. true to one’s self or secure in one’s beliefs regardless of what others think, especially when those beliefs fall outside of the mainstream:

   Her presentation was so based—did you see the teacher's expression? Priceless!

interjection

, Slang.

1. (used to express approval or respect, especially in response to a social media post):

   Based. At least somebody shows some spine on this forum.

verb

1. the simple past tense and past participle of base ¹( def ).

Other Words From

• un·based adjective
• well-based adjective

Word History and Origins

Origin of based¹

First recorded in 1610–20; base ¹( def ) + -ed ²( def )

Example Sentences

The report said this was "considerably lower than might have been expected based on data from previous years".

From BBC

This circuit is based on something Morsut developed called "synNotch," which is a protein that scientists genetically engineer into a cell to serve as a "sensor."

From Science Daily

"Getting more parks and trees into cities is complicated work, and I realised that a simple metric could take the mystery out of it and set a proper benchmark based on evidence," he said.

From Science Daily

The Yakimovich group recently published an image quality boosting model based on generative artificial intelligence.

From Science Daily

"It's important to think about where the moisture comes from, because performance can be significantly impacted based on how it's integrated."

From Science Daily