1. Observe
LexUp records the English words you mark as known, choose to learn, answer correctly or miss.
A profile that evolves
English Vocabulary Practice That Adapts as You Learn
Static lists treat every learner as identical. LexUp updates its picture of your vocabulary from known-word decisions, flashcard reviews, contextual tests and spelling-game results.
The adaptation loop
2. Estimate
Your vocabulary profile and CEFR progress update as evidence accumulates across activities.
3. Recommend
Useful words near your current range are prioritized instead of sending everyone through the same list.
Adaptation is more than spaced repetition
Spaced repetition decides when a learning word should return. Adaptive selection also decides which new words are worth showing. LexUp combines both: learning words return at useful intervals, while new suggestions respond to the vocabulary profile you are building.
| Signal | How it improves practice |
|---|---|
| Known-word choice | Reduces time spent repeatedly showing familiar vocabulary |
| Learn-list choice | Gives the learner direct control over future review |
| Context-test answer | Checks whether meaning is understood in use, not only recognized |
| Spelling attempt | Reveals letter-pattern and retrieval weaknesses |
Why LexUp avoids narrow phrasebook tracks
Learners do not need to choose between disconnected “travel English” and “business English” tracks before LexUp can help. The system builds broad English word knowledge from frequently useful vocabulary, then allows IELTS, TOEFL, academic or everyday goals to shape where practice goes next.
Understanding every recommended word
A recommendation is only useful when the learner can explore it. LexUp connects CEFR level, pronunciation, definitions, examples, preferred-language translations and Deep Dive material. The large dictionary remains available when curiosity goes beyond the focused learning collection.
Replace random lists with a learning signal
Start practicing and let your choices make the next session more relevant.