필로소피 AI 교육 · LevelLex

English explained in English
you can actually understand.

Full-sentence definitions in the Collins style, Longman-style synonym notes, AI practice tools, and a picture for every word — all matched to your level.

Google Gemini API key

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Step 1 of 1

Let's find your level

Answer 10 short questions so every explanation uses vocabulary that fits you — from A1 (beginner) to C2 (mastery).

If a question is too hard, choose “I don't know” — that's useful information too.

What word are you curious about?

Explained at level , in English only — no translations.

My Wordbook

Every word you look up is saved here. Review them, then test yourself in Practice.

Practice

AI builds a quiz from your own words — the ones you looked up recently.

🏋️

English explained in English
you can actually understand.

Let's find your level

Your level:

What word are you curious about?

Word family

Collocations — words that go together

Thesaurus — words with similar meanings

✍️ Try it yourself

My Wordbook

Practice

English explained in Englishyou can actually understand.

Let's find your level

Your level:

What word are you curious about?

Word family

Collocations — words that go together

Thesaurus — words with similar meanings

✍️ Try it yourself

My Wordbook

Practice

Settings

English explained in English
you can actually understand.