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The founder's dictionary
Every startup word, explained simply.
1,209 startup words, with short definitions you can actually say in a meeting. Built for first-timers in India.
- Words
- 1,209
- Shelves
- 7
- Letters
- A–Z
Word of the day
Clean roomControlled environment with minimal contamination for manufacturing or research.Open today's wordThe reading room
Browse by shelf
Seven shelves, plus the rest of the book.
Start here
Six words founders use first
- A/B testingGrowth & marketingCompare two versions of your product to see which performs better. Essential for data-driven decisions.
- Product-Market fitIdea validationDegree to which a product satisfies market demand and customer needs.
- PivotGeneralStrategic change in business direction based on market feedback and learning from customer interactions.
- Cash burn rateMetrics & moneyRate at which a company consumes its cash reserves over time.
- Total Addressable Market (TAM)Business modelTotal revenue opportunity available for a product or service in a market.
- Unit EconomicsMetrics & moneyFinancial analysis of the profitability of individual units or transactions.
Weekly newsletter
1 word, 1 founder lesson, 1 tool. Every week.
A 3-minute read for people who are still naming the company, still raising the first cheque, or still doing it alone.
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Guides and tools
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Questions
Before you look up a word
What is Startupwordbook?
A free glossary of 1,209+ startup words, explained the way a senior founder would explain them to a first-timer. We also send a weekly 3-minute newsletter and sell founder guides and tools through Superprofile.
Is the glossary free?
Yes. Every term page is free to read. The newsletter is free too. Guides, workbooks and tools are paid products, sold through Superprofile.
Who is this for?
Aspiring entrepreneurs, first-time founders, solopreneurs, ideapreneurs and student founders — especially people building in India who want rupee examples, not Silicon Valley folklore.
How do I buy a guide or toolkit?
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Do you send the newsletter from this website?
You subscribe here. We confirm by email (double opt-in), then send one issue a week: 1 word, 1 founder lesson, 1 tool. You can unsubscribe in one click.