Russian Thesaurus

Russian Thesaurus is a free offline dictionary with more than 369,000 entries. The entire database is stored on your device, so it works with no internet connection, no registration and no hidden limits.

Find the word, play its pronunciation, add it to your own list and practise it later.

AI helper

• Ask AI about any word: definition & context, synonyms, pronunciation guide, example sentences
• Word not in the dictionary? Find it with AI and add it to your own database
• AI can write the description for the words you add yourself
• Keep any AI answer as the word description or save it as a note

The dictionary, fully offline

• 369,000 entries, 100% offline
• Instant results as you type
• Search filters: starts with, ends with
• Voice search — just say the word
• Search the text you copied to the clipboard
• Alphabet index for fast browsing
• Random word button
• Add your own words and edit existing entries

Hear every word

• Listen to the word and to its full description
• Clear pronunciation for every entry
• The built-in player reads whole word lists at 0.5x, 1x or 2x speed
• Playback continues with the screen off

Practise and memorise

• Flashcards — the classic way to memorise new vocabulary
• Quiz — multiple choice test on your own words
• Listening — hear the word and choose the right answer
• Word game — guess the hidden word in 4 to 7 letters, with statistics and win streaks
• Build your own training sets: pick the source, the number of words, the order and the difficulty
• Start a training session straight from your favourites, bookmarks or history
• See what you got right and repeat only the words you missed

Your own word collection

• Favourites — save a word with one tap
• Bookmarks — colour-coded folders for your own topics
• Notes — attach your own note to any word
• History — every word you looked up, sorted by date, name or view count
• Multi-select mode: export, listen to, bookmark or delete many words at once
• Export your word lists to a text file and share them

Home screen learning

• Word of the day widget
• Word list widget
• Training widget — learn without even opening the app

Backup, sync and restore

• Back up your favourites, bookmarks, notes, history and your own words
• Save to the cloud with your Google account, to a local file, or to Dropbox
• Restore everything on a new device in seconds

Learning reminders

• Receive a word as a notification during the day
• Choose the time, the weekdays and the source: random, favourites, bookmarks or history

Your app, your settings

• Dark mode and automatic night mode
• Adjustable text size and interface colour
• Show, hide and reorder the tabs — keep only what you use
• Interface available in English, Русский, Español, Italiano, Deutsch, Français, Türkçe, Azərbaycan, Українська
• Select text in any other app to search it here or add it to your dictionary
• Full tablet and landscape support

Use it as Russian Thesaurus, as an offline reference and as a vocabulary trainer — all inside a single learning app.

Because the dictionary works offline, the whole database is stored on your device and takes up some space.

Suggestions, comments and legal questions: [email protected]