Freedom251 › Learning & Education
Free and open first
Best Online Dictionaries in 2026
For definitions, translations, and examples of word use, the details that matter can vary with the languages you look up and how you access a dictionary. Compare languages covered and translation lookup with audio pronunciation and usage examples. Mobile apps and offline access are worth checking if you need lookups beyond a browser or without a connection. ABBYY Lingvo, Oxford Learner’s Dictionaries, and The Free Dictionary are among the options shown. Free-plan availability and paid-from pricing add cost context; use the listed features to assess which services suit your lookup habits.
- 39 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
ABBYY Lingvo
Free plan AndroidiPhoneMac+1Lingvo combines broad dictionary coverage with lookup and learning tools across desktop and mobile platforms.
- 2
Cambridge Dictionary
Free plan AndroidAPIExtension+2Cambridge Dictionary combines reference material with pronunciation, translation, and study tools.
- 3
dict.cc
Free plan AndroidiPhoneMac+1dict.cc combines a free online dictionary with community-maintained entries and offline vocabulary in its mobile apps.
- 4
Duden-Mentor
Free plan APIExtensionMac+2Duden-Mentor combines German proofreading with style suggestions across browser text fields and supported Word versions.
- 5
American Heritage Dictionary
Free plan AndroidiPhoneWebThe online reference pairs word definitions with pronunciation, usage material, and word histories.
- 6
Diccionario de la lengua española
Free plan AndroidiPhoneWebChoose DLE for free access to a broad general Spanish dictionary with several search methods and linked entries. Readers who need vocabulary in languages other than Spanish should look elsewhere.
- 7
GoldenDict
Free plan AndroidLinuxMac+1GoldenDict combines local dictionary lookup with web sources, pronunciation, and popup translation. Users need to obtain local dictionaries separately for the Windows installer.
- 8
Larousse Dictionaries
Free plan AndroidiPhoneWeb+1Larousse combines French dictionaries, conjugation, translation, and flashcards across web and mobile access.
- 9
Dictionary.com
Free plan AndroidiPhoneWebChoose Dictionary.com for free word lookups across web and mobile, with a broad set of reference and learning tools.
- 10
LEO Dictionary
Free plan AndroidExtensioniPhone+1Choose LEO Dictionary if you want bilingual lookup across its 12 pairs alongside a free vocabulary trainer and community forums.
- 11
MDBG Chinese Dictionary
Free plan AndroidAPIExtension+4Choose MDBG for Chinese lookup paired with reading and practice tools, especially if offline access matters.
- 12
Linguee
Free plan AndroidiPhoneWebLinguee pairs translation lookup with examples and pronunciation, and its app offers offline editorial dictionaries.
- 13
Merriam-Webster Dictionary
Free plan AndroidAPIiPhone+1Merriam-Webster combines dictionary and thesaurus access with offline lookup, learning tools, and website editorial content.
- 14
Merriam-Webster Medical Dictionary
Free plan AndroidiPhoneWebChoose Merriam-Webster Medical Dictionary for free web searches and alphabetical browsing of medical terminology. Look elsewhere if you need Medical Dictionary app access without an in-app purchase.
- 15
Oxford Learner’s Dictionaries
Free plan AndroidAPIExtension+3The free online dictionaries and learning resources cover a lot for learners, while OALD Premium and app access add paid options.
- 16
PONS Dictionary
Free plan AndroidAPIiPhone+1PONS combines dictionary lookup, pronunciation, offline app dictionaries, and an integration API.
- 17
Glosbe
Free plan AndroidiPhoneWebChoose Glosbe for free multilingual dictionary lookups, contextual examples, and longer-text translation across web and mobile.
- 18
Lingoes
Free plan AndroidWindowsLingoes offers offline dictionary lookup, pronunciation support, and tools for managing and revisiting words. The Free plan includes ads and in-app purchases.
- 19
Longman Dictionary of Contemporary English
Free plan AndroidiPhoneMac+1Longman pairs a broad learner dictionary with grammar, collocation and thesaurus support. Its free website and offline app access offer different ways to consult it.
- 20
NAVER Dictionary
Free plan AndroidiPhoneWebNAVER Dictionary offers broad language reference alongside pronunciation, examples and study features. Check offline limitations and local-only recent and favorite lists if those matter to your use.
- 21
Shabdkosh
Free plan AndroidAPIiPhone+1Shabdkosh combines broad dictionary tools, learning activities, mobile apps, and developer APIs.
- 22
The Free Dictionary
Free plan AndroidAPIExtension+4The Free Dictionary brings a broad set of reference materials and vocabulary tools together, with free offline English lookup.
- 23
Tagaini Jisho
Free plan LinuxMacWindowsTagaini Jisho combines dictionary lookup with tools for organizing and reviewing study entries. It is a desktop option for learners who want kanji animations and printable offline materials.
- 24
Tureng Dictionary
Free plan AndroidExtensioniPhone+2Tureng combines broad multilingual dictionary coverage with examples, audio, specialized categories, and optional AI-assisted tools.
- 25
Weblio
Free plan AndroidExtensioniPhone+1Weblio combines Japanese dictionary search with English lookup, examples, and audio across several platforms.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
More in Learning & Education
- Online Encyclopedias31
- Online Tutoring Platforms29
- Open Educational Resource Platforms27
- Partner Training Software27
- Peer Assessment Software17
- Physics Simulation Software89
- Plagiarism Detection Software28
- Preschool Learning Apps35
- Reading Apps47
- Research Administration Software20
- Robotics Education Software26
- Rubric Software22