Reverse Dictionary lets users search for words by entering a definition, with examples such as describing an unpleasantly moist phrase.
OneLook Reverse
OneLook’s reverse dictionary finds related words from a description, with thesaurus results and filters for refining searches.
About OneLook Reverse
OneLook Reverse is a web and iOS tool that functions as a reverse dictionary and thesaurus for English words and expressions. It lets users input a word, phrase, description, or letter pattern to find related terms, synonyms, and adjacent concepts. Results can be sorted and filtered by attributes including length, popularity, and formality. The tool draws from a database of over 2 million entries, and displays definitions and usage examples for individual results.
Key features
- Finds related words from descriptions, phrases, or single word inputs
- Returns thesaurus results including synonyms and adjacent concepts
- Advanced filters for letter count, syllables, formality, and related concepts
- Letter pattern matching for partial spellings and crossword clue searches
- Sorts results by relevance, length, popularity, and formality
- Shows definitions and usage examples for individual result entries
Best for: Writers, students, crossword solvers, and other users needing to find English words from descriptions, partial spellings, or related concepts.
Good for
- Database includes over 2 million English words and expressions covering all topics
- Supports flexible search inputs including natural language descriptions and letter patterns
- Offers multiple sorting and filtering options to narrow result sets
Watch out for
- Many results are adjacent concepts rather than direct synonyms, requiring users to verify definitions before use in formal contexts
- Results can include a large volume of loosely related terms that may not be immediately useful
OneLook Reverse at a glance
- Category
- Education & Learning › Language Learning
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- iOS, Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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OneLook Reverse FAQ
How do I use OneLook's reverse dictionary and thesaurus?
Enter a word, phrase, description, or letter pattern to find related words, synonyms, and more, then refine results with sorting and filters.
What are letter patterns and how do they work?
Letter patterns use * for any number of letters, ? for one letter, # for consonants, and @ for vowels to search for words with known partial spellings.
Are all returned results direct synonyms?
No, only the top results for some searches are direct synonyms; most results are adjacent concepts meant to inspire related word ideas.
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