Best Online Dictionaries in 2026
Updated
In short: Cambridge Dictionary is ranked #1 of 36 as of 3 October 2026, ahead of The Free Dictionary and Oxford Learner’s Dictionaries. The best-ranked option with a free plan is The Free Dictionary. The lowest first paid tier on this page is Oxford Learner’s Dictionaries at $0.83/mo.
When a definition is not enough, language coverage, examples and pronunciation can help distinguish one online dictionary from another. Compare translation lookup and usage examples, and check for audio pronunciation in the languages you use. Mobile apps and offline access matter if you need lookups away from a connection; free-plan availability and paid-from pricing provide cost context. Cambridge Dictionary, The Free Dictionary and Oxford Learner’s Dictionaries lead the ranking, followed by Merriam-Webster Dictionary and PONS Dictionary. Use the listed features to match a dictionary to the languages and lookup habits you rely on.
36 online dictionaries ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Audio pronunciation | |
|---|---|---|---|---|---|---|---|---|
| 1 | Cambridge Dictionary | 8.9 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 2 | The Free Dictionary | 8.9 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 3 | Oxford Learner’s Dictionaries | 8.9 | RecognisedAPIDocumented | $0.83/mo | Yes | — | Yes | View |
| 4 | Merriam-Webster Dictionary | 8.7 | RecognisedAPIDocumented | $0.83/mo | Yes | — | Yes | View |
| 5 | PONS Dictionary | 7.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 6 |  dict.cc | 7.1 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 7 |  NAVER Dictionary | 7.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 8 |  Linguee | 7.0 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 9 |  Longman Dictionary of Contemporary English | 6.8 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 10 | Shabdkosh | 6.8 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 11 |  WordReference | 6.8 | RecognisedAPIDocumented | $1.67/mo | Yes | — | — | View |
| 12 | LEO Dictionary | 6.7 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 13 |  American Heritage Dictionary | 6.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 14 |  Dictionary.com | 6.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 15 | Glosbe | 6.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 16 |  Pleco Chinese Dictionary | 6.4 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 17 |  Vocabulary.com | 6.3 | RecognisedAPIDocumented | — | Yes | 4.99 /mo | Yes | View |
| 18 | Larousse Dictionaries | 6.2 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 19 |  Tureng Dictionary | 6.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 20 |  Weblio | 6.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 21 |  MDBG Chinese Dictionary | 6.1 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 22 |  WordWeb | 6.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 23 |  Wiktionary | 6.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 24 |  Diccionario de la lengua española | 5.9 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 25 |  Wordnik | 5.8 | RecognisedAPIDocumented | — | Yes | 10 /mo | Yes | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which online dictionarie is ranked first on Inferse?
Cambridge Dictionary is ranked #1 of 36 with a score of 8.9. The Free Dictionary is second and Oxford Learner’s Dictionaries third.
How many of these have a free plan?
6 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Oxford Learner’s Dictionaries has the lowest first paid tier we found: $0.83/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.