basado
“basado” means “based (on)” in Spanish. It has 3 different meanings depending on context:
based (on), founded (on)
Also: grounded
📝 In Action
Esta teoría está basada en estudios científicos recientes.
B1This theory is based on recent scientific studies.
La película está basada en una historia real, no es ficción.
A2The movie is based on a real story; it's not fiction.
Mi plan de negocios está basado en la demanda del mercado.
B2My business plan is grounded in market demand.
based

📝 In Action
Nunca hemos basado nuestras decisiones en rumores.
A2We have never based our decisions on rumors.
La junta había basado su veredicto en pruebas falsas.
B1The board had based its verdict on false evidence.
based
Also: having a strong opinion
📝 In Action
No me gusta su música, pero su último comentario fue muy basado.
C1I don't like his music, but his last comment was very based (very cool/valid).
Esa idea es súper basada. ¡Hay que hacerla!
C2That idea is super based. We have to do it!
✏️ Quick Practice
Quick Quiz: basado
Question 1 of 2
Which sentence uses 'basado' in its original, formal sense?
📚 More Resources
👥 Word Family▼
📚 Etymology▼
Comes directly from the verb *basar*, which itself comes from the noun *base* (base/foundation), ultimately tracing back to the Latin *basis* and Greek *básis* (step, foundation).
First recorded: The root *basar* appeared in the 15th century. The modern slang meaning is a very recent 21st-century borrowing.
Cognates (Related words)
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Frequently Asked Questions
How do I know if 'basado' means 'founded' or the internet slang 'based'?
Context is key! If it's in a formal setting (news, school, work) and followed by *en* (on), it means 'founded.' If it's used as a short, strong expression of approval for someone's opinion, especially online, it's the slang meaning.
Should I use 'ser' or 'estar' with 'basado'?
You should almost always use *estar*. For example, *El informe está basado en datos* (The report is currently based on data). *Estar* describes the current condition or foundation of something.


