You can’t always rely on a spell checker to be 100% accurate especially if you find yourself using an American spellcheck for an Australian employer.

There’s also the need for a book that gives you an accurate definition of the word you are using. There are no shortcuts for that.

In any chase online dictionaries are so much more than the traditional correct spelling plus definition. They are a combined thesaurus and a source for acronyms, idioms and an encyclopaedia,

The great thing is some of the best are for free.

The Free dictionary

Let's talk about this amazing free resource!

It is an American online dictionary and encyclopedia that gathers information from a large variety of sources. is a reference website that offers full-text versions of classic literary works by hundreds of authors which are available for you for free. It is also a news aggregator, offering articles from a large collection of periodicals containing over four million articles dating as far back as to 1984.

Newly published articles are added to the site on a daily basis. The site comprises a selection of articles from open-access journals that can in many cases also be found on a journal's own website.

It is a sister site to and usage examples in the form of "references in classic literature" taken from the site's collection are used on's definition pages. In addition, double-clicking on a word in the site's collection of reference materials brings up the word's definition on

MacMillan Dictionary

Another great resource is the Macmillan dictionary. The award-winning Macmillan English Dictionary was first published in 2002. Crafted by teams of lexicographers in Great Britain and the United States, it has as its source a corpus, a database containing millions of examples of English as used around the world.

Extensive analysis of this corpus of real spoken and written text, using state-of-the-art technology, allowed the dictionary writers to reveal fresh information about how and when words are used.

free dictionary online

In 2009, was launched, including a thesauras, fully integrated into the entries. The dictionary is regularly updated and contains a crowdsourced component called the Open Dictionary, which allows users to submit words too. is the perfect free online dictionary – a one-stop reference for English speakers around the world.


But the most famous dictionary in the world is of course the Oxford Dictionary. Itss amazing to think its over 150 years of research is available for free online.

The Oxford Dictionary of English is the online mobile version of the Oxford University Press' Oxford English Dictionary, widely accepted as one of the highest authorities in the study of English.

Regarded as one of the flagship products in MobiSystems' large catalog of dictionaries, the app features advanced search and language tools designed by a developer and very experienced in the creation of dictionaries and learning tools.

To be used by professionals, students, and academics, as well as anyone who needs a comprehensive and authoritative dictionary of current English at work or at home.

Designed to provide the most comprehensive search experience the dictionary combines several search tools to match or suggest what you are looking for, including:

• Search autocomplete helps you find words quickly by displaying predictions as you type the first letters

• Keyword lookup allows you to search within compound words and phrases

• Looking for a specific word but don't know how it's spelled exactly? They've got you covered with our automatic ‘Fuzzy filter’ to correct word spelling, as well as ‘Wild card’ ('*' or '?') to replace a letter or entire parts of a word

• Camera search looks up words in the camera viewfinder and then displays results in seconds

• Use the  Voice search when you don't know how an entry is spelled

• Just Tap to Translate entries in other apps.

• You can Share word definitions via installed apps on your device

And you if you can afford their premium version you can get  Audio pronunciation - Learn words faster by listening to how they're pronounced

• Offline mode - No WiFi, no problem. Save words on your device to be viewed without the need of an internet connection

• Priority support - Get expedited support for any app-related issues

• No ads.