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based
/beɪst/
The word 'based' has two primary meanings in modern English. The traditional meaning, used as an adjective, signifies that something is founded or established upon a particular principle, fact, or idea. For example, 'The report is based on extensive research.' This usage is formal and widely understood. More recently, 'based' has gained popularity as slang, particularly in online communities. In this context, it is used to describe someone or something as authentic, courageous, independent, and unafraid to express opinions that may be unpopular or go against the mainstream. It often carries a tone of approval or admiration for this perceived authenticity. For example, 'That's a really based take on the situation.' This slang usage is informal and may not be understood by all English speakers, especially those unfamiliar with internet culture.
Meanings
Collocations & Compounds
data-based
Derived from or relying on facts and data.
The company made a data-based decision.
research-based
Founded on or supported by scientific research.
This is a research-based approach to learning.
fact-based
Based on facts rather than opinions or beliefs.
We need a fact-based discussion.
user-based
A system or approach that is centered around the needs and actions of the user.
The new software has a user-based interface.
knowledge-based
Relying on or characterized by specialized knowledge.
The company is knowledge-based and employs many experts.
Phrasal Verbs
base on
To use a particular idea or fact as the foundation for something.
The film is based on a true story.
base around
To organize something with a particular person or thing at the center.
The lesson plan is based around the students' interests.
Idioms & Sayings
based in
Having your main place of work or operations in a particular location.
She works for a company based in London.
Etymology
The word 'based' originates from the past participle of the verb 'to base,' meaning to establish or found something on a particular principle or idea. Its earliest recorded use in English dates back to the mid-17th century. The word 'base' itself derives from the Old French 'bas' (low, short) and Latin 'basis' (a foundation, pedestal), ultimately tracing back to the Greek 'basis' (a step, pedestal, foundation). Initially, 'based' was used in a straightforward, literal sense to indicate the foundation or underlying principle of something, such as 'a theory based on observation.' Over time, its usage expanded to include more abstract foundations, like decisions or arguments being 'based on evidence.' The modern slang usage, however, is a significant departure from its original meaning and emerged much later, particularly in online communities.