Tools · Language & Writing Tools
Synonym & Antonym Finder
Explore related and opposite words from open data, with optional AI tone groups.
How it works
- Enter a word and search synonyms and antonyms from open dictionary senses.
- Optionally enable AI tone groups. Those groups are labeled AI and are not a formal thesaurus.
- Use results as writing suggestions, then verify meaning in the Dictionary tool.
Frequently Asked Questions
Are tone groups official?
No. Tone groups are Gemini suggestions when enabled. Synonym/antonym lists come from open dictionary data.
Is Datamuse used?
No. Datamuse’s free tier is aimed at non-commercial use, so this tool uses open dictionary synonyms instead.
Read the original guide: Find synonyms without calling AI a formal thesaurus.