minimum viable product
B1CEFR level
55/100Rarity: uncommon
TechnicalRegister
The most pared-down version of a product that can be released to test key assumptions with real users.
We shipped a rough minimum viable product in six weeks just to see if anyone would pay.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
Get words like minimum viable product on your lock screen, a few a day, with review that makes them stick.
Download on the App Store Lexfall puts a new word on your home and lock screen through widgets, so you learn without opening an app. Free to download. After a free trial, a subscription unlocks every field. Built for iPhone, iOS 15.1 or later.
On a computer?Scan with your iPhone camera.