based

American  

[beyst] / beɪst /

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!

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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.

Other Word Forms

• unbased adjective
• well-based adjective

Etymology

Origin of based

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

Example Sentences

"Lasting progress in an income position is usually based on solid income from work, which can later make it possible to save and earn more capital," he said.

From Science Daily

Since FAA controllers bid for days off based on seniority, Brewis said he wouldn’t have been able to have weekends off regularly for at least a decade.

From The Wall Street Journal

Amid the divisions and fear, he said, “we need to offer a big-hearted vision of what it means to be an American,” based on mutual respect, not fear, and “respecting people’s way of life.”

From Salon

Creators — many of whom are based in Southern California — rely on the app as a key source of income, while businesses and brands turn to the platform and its influencers to promote their products.

From Los Angeles Times

Will’s objections, based on his past writings, may be more aesthetic than principled, the product of a neatly compartmentalized mind.

From Salon