Oxford Dictionary & Thesaurus

Review by eFreeware

Most dictionary apps give you one reference work. Oxford Dictionary & Thesaurus, from MobiSystems, packs 18 of them into a single download, covering English, Spanish, French, German, Russian, Chinese, Italian, Hindi, Urdu, Portuguese, Japanese, Greek, Bulgarian and Thai, and lets you move between them without leaving the app. That breadth is the first thing that stands out, and it shapes everything else about how the app is put together.

The scale is unusual too. The database holds more than a million words, phrases and definitions, drawn from Oxford Languages, and the app has a 4.3 average across 543,930 ratings and more than 50 million installs since its March 2013 release. Those numbers suggest a reference tool that has settled into a long life rather than a novelty.

It is built for people who deal with language seriously: professionals working in English, students getting ready for ACT, SAT, IELTS or TOEFL exams, and academics. If you want a quick definition once a month, the free tier may be more than enough; if you look words up constantly, across more than one language, the case for installing it is stronger.

An audience that goes past casual lookups

The mix of dictionaries tells you who this is for. A student revising for an English exam gets the Oxford Dictionary of English and Thesaurus plus the New Oxford American Dictionary; someone working in a second language gets a monolingual or bilingual volume for it, from Larousse Spanish and PONS German to the Concise Oxford-River Books English-Thai. The developer frames the app as useful in academic and professional settings, and the catalog supports that reading.

That range also means the app asks more of you than a single-language dictionary would. There are 15 dictionaries to switch between, each with its own entries, so the value comes from knowing which one you need. For a translator, a language student or a teacher moving between two or three languages, that is the point. For someone who only ever looks up English words, the extra volumes are simply there, unused.

I would expect the word-of-the-day feature and the favorites folders to matter most to people who treat vocabulary building as an ongoing project rather than an occasional task. Both are aimed at return visits, which is where a reference app either earns a place on your home screen or does not.

Finding a word when you are not sure how it is spelled

The search tools are the part I find most thought through, because they assume you may not know exactly what you are looking for. Fuzzy search returns matches for a word you have spelled roughly right, wildcard search lets you substitute letters or whole sections of a word with '*' or '?', and autocomplete offers predictions as you type. Keyword lookup handles compound words and phrases rather than single terms.

There are also two ways to skip typing altogether. Voice search lets you say the word instead of spelling it, and camera search reads a word from whatever you point the device at, which is handy when the term is printed on a page or a sign. The recent update extends offline voice search to more languages, so voice lookup no longer depends on a connection when you are working in a language other than English.

Around the search itself sit the smaller conveniences: an auto-correction option that fixes spelling as you type, a recent list for retracing your steps, and tap-to-translate for entries inside other apps. None of these are headline features on their own, but together they remove most of the friction from a lookup.

Definitions, synonyms and reference material

The content side is where the Oxford name does its work. Entries come from the 2023 Oxford Languages database, and alongside each definition you get a thesaurus with thousands of synonyms and antonyms, which is the part that helps you choose between near-identical words rather than just identify them. Phrases show how a term is actually used in expressions, which is often more useful than a bare definition when you are writing in a second language.

The app also includes special topics reference content for looking up subject-specific material, and a word-of-the-day entry for readers who want to add vocabulary steadily. Both are secondary to the dictionaries themselves, but they give the app something to offer on days when you have no particular word in mind.

Customization is modest but sensible: a dark mode for reading in low light, a home page that serves as the starting point, and word sharing so you can pass a definition to someone through the apps already on your device. For study groups or colleagues comparing usage, that last one saves a screenshot.

What the free download includes and what premium adds

The app is free to install and carries ads, and it offers in-app purchases. The developer describes a premium subscription that covers four things: unlimited synonym lookups, audio pronunciation, an offline fast mode that works without a connection, and an ad-free experience. Those four items are the dividing line between the free and paid versions.

The offline point deserves attention, because it is easy to assume a dictionary works without a signal. Offline access sits under premium. If your main use is on a phone with a data plan, that may never bother you; if you study or travel where coverage is patchy, it is the feature that decides whether the app is usable.

Audio pronunciation sits in the same category. Definitions are one thing, but hearing a word spoken is how you avoid carrying a mispronunciation around for years, and the developer puts that behind the subscription. Unlimited synonym lookups follow the same pattern: the thesaurus is present in the app, but the developer ties unrestricted use of it to premium.

How it compares with the alternatives

The obvious comparison is a free dictionary that leans on a single reference work. Those are lighter, and if all you need is a fast English definition, they cover the ground. What they generally do not offer is a shelf of major dictionaries in several languages under one roof with a consistent set of search tools, which is the specific gap this app fills.

A second alternative is a dedicated translation service. Those are built for moving a passage from one language into another, often with sentence-level output. This app is arranged around words and their meanings, with bilingual volumes included for looking up individual terms. The two solve different problems, and someone who needs both will probably end up with both.

The third option is a physical dictionary or a desktop reference suite. Print is cheaper up front and needs no subscription, but it cannot do fuzzy search, camera lookup or voice input, and it will not fit in a pocket. For anyone doing regular cross-language work, the search tools alone make the app the more practical choice.

A reference shelf worth the space for regular users

Oxford Dictionary & Thesaurus is a serious reference tool rather than a casual one. The 18 dictionaries, the search options that assume imperfect spelling, and the thesaurus material make it a good fit for students working toward ACT, SAT, IELTS or TOEFL exams, for professionals who write and read in English all day, and for academics and translators who move between languages. If that describes your week, the breadth justifies the download.

The trade-offs are clear enough. Ads are present in the free version, and the features that make the app comfortable over long sessions, audio pronunciation and offline access in particular, sit behind the subscription. That is a reasonable structure for a reference work of this size, but it is worth deciding before you install whether you want the paid tier.

With more than 50 million installs and a 4.3 average, the app has clearly found its audience. My advice is simple: install it if you look up words often and across more than one language, and expect to pay if you want it to work without a connection. For occasional English definitions, a lighter free dictionary will do the job just as well.

What's new in version 16.5.1183

Thank you for using Oxford Dictionary! This version includes: * Offline voice search in more languages – Look up words by voice without an internet connection when using languages other than English. * Easier dictionary browsing– Navigate through dictionary entries more smoothly with improved browse navigation. Enjoying Oxford Dictionary? Leave us a review – it helps us improve!