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 company is under investigation for allegedly allowing U.S.-based users to bet, Bloomberg reported.

From Salon

Like any other would-be autocrat, President-elect Donald Trump is selecting people for key positions overseeing the military and legal system based not on objective merits but their personal loyalty to one man: in this case, a 78-year-old Republican who felt betrayed in his first term when more-or-less qualified cabinet officials would balk at some of his more extreme demands.

From Salon

Within five years, Cronin said, players could sign contracts based on the way things are headed.

From Los Angeles Times

HRW’s report - based on interviews with displaced Palestinians, analysis of Israeli evacuation orders, satellite imagery showing destruction of buildings, and videos and photos of strikes - concludes that there is no plausible imperative military reason to justify the displacement of nearly all of Gaza’s population and that the other conditions for it be lawful have also not been met.

From BBC

Cavendish was famed during his career for beating younger and stronger riders to the line based on the timing of his attacks and how long he could hold on to high levels of power.

From BBC