The Best Dictionary Apps for Blogging on iPhone, iPad and Mac Computers

Discover the best dictionary apps for blogging on iPhone, iPad and Mac computers.

Jeff Shibasaki
Master Your Website

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Close-up of a woman holding an iPhone in her hand with the Dictionary.com app opened.
Photo by Jeff Shibasaki. Created with Mockuuups Studio. / Master Your Website.

Just as many photographers believe the best camera is the one that’s always with you, I believe the best dictionary is the one that’s most accessible — whether you’re writing from a mobile, tablet or desktop computer.

Even though blogs should be written at a 9th-grade reading level, you still need a good dictionary to confirm the spelling of words, look up definitions, find synonyms, review usage and more. Having at least one dedicated dictionary for each device is an essential resource in the blogger’s toolbox.

In this post, I’m going to share the best dictionary apps for blogging on iPhone, iPad and Mac computers.

1. Dictionary

The Dictionary app and looking up words within apps on macOS. Images by Apple, Inc.

The Dictionary app on macOS is the default method I use to look up words when working on my computer. It comes preinstalled with the New Oxford American Dictionary in the U.S. and can be accessed in the stand-alone Dictionary app or from within other apps.

To look up definitions from within apps, use two fingers to click on a highlighted word in any app. Then, click Look Up [word] from the context menu. After that, a pop-over menu will appear with the dictionary and thesaurus.

Supported Devices

  • Mac

Cost

  • Free

Features

  • Autocomplete
  • Definitions, thesaurus and antonyms
  • Example sentences
  • IPA (International Phonetic Alphabet)
  • Look up words and phrases from the Dictionary app or within other apps
  • Multilingual and regional dictionaries
  • Siri Knowledge
  • Word origins

2. Look Up

Three iPhones that illustrate using Look Up in the Edit Menu to look up definitions.
Look Up on iOS. Images by Jeff Shibasaki / Master Your Website.

Apple doesn’t provide a first-party dictionary app on iOS as it does on the Mac, but you can still access the built-in dictionary with Look Up.

Look Up comes preinstalled with the New Oxford American Dictionary in the U.S. and can be accessed while working in apps from the Edit Menu.

To look up definitions, tap to highlight a word. Then, tap Look Up. If you don’t see Look Up, tap the right arrow to navigate through the Edit Menu. Finally, tap the card to reveal more information.

Supported Devices

  • iPhone
  • iPad
  • iPod touch

Cost

  • Free

Features

  • Definitions, thesaurus and antonyms
  • Example sentences
  • IPA (International Phonetic Alphabet)
  • Look up words within other apps
  • Multilingual and regional dictionaries
  • Siri Knowledge
  • Word origins

3. Dictionary.com

Three iPhones loaded with the Dictionary.com app to illustrate looking up the example word dawdle.
Dictionary.com on iOS. Images by Jeff Shibasaki / Master Your Website.

Dictionary.com is a comprehensive, feature-rich and well-designed free/premium app that offers compelling features. When I’m drafting posts on mobile and want to compare definitions or simply need a more powerful dictionary or thesaurus than Apple’s Look Up — Dictionary.com Pro is my go-to app.

Supported Devices

  • Any Device (web app)
  • iPhone
  • iPad
  • iPod touch
  • Apple Watch (premium version only)

Cost

  • Free: Offers in-app purchases
  • Premium version: $3.99

Features

  • Audio pronunciations
  • Autocomplete
  • Content Collections (Word Trends and Stories, Word of the Day, etc.
  • Definitions, thesaurus and antonyms
  • Favorite words
  • Grammar tips
  • IPA (International Phonetic Alphabet)
  • Offline access
  • Search history
  • Share sheet
  • Voice search
  • Word origin

4. Merriam-Webster Dictionary

Three iPhones loaded with the Merriam-Webster Dictionary app to illustrate looking up the example word balderdash.
Merriam-Webster Dictionary on iOS. Images by Jeff Shibasaki / Master Your Website.

Merriam-Webster Dictionary is a comprehensive, feature-rich and well-designed free/premium app, but with fewer features and in-app purchase options than Dictionary.com. However, like Dictionary.com there’s also a freemium version called Merriam-Webster Dictionary Pro.

Supported Devices

  • Any Device (web app)
  • iPhone
  • iPad
  • iPod touch
  • Apple Watch

Cost

  • Free: Offers in-app purchases
  • Premium version: $4.99

Features

  • Acronyms and Abbreviations
  • Audio Pronunciations
  • Autocomplete
  • Definitions, thesaurus and antonyms
  • Example Sentences
  • Favorite Words (iCloud Syncing)
  • IPA (International Phonetic Alphabet)
  • Offline Access
  • Quick Definitions
  • Search History
  • Share Sheet
  • Vocabulary-Building Quizzes
  • Voice Search
  • Word Origin
  • Word of the Day

5. Google Search

Looking up the example word, permalink, on Google Search.
Google Search definition for the word permalink. Image by Jeff Shibasaki / Master Your Website.

While Google isn’t technically a dictionary, it’s handy to quickly check spellings and definitions. When I’m writing on my website or Medium, I often use Google Search instead of Apple’s Dictionary app because it’s faster and it’s also handy when macOS doesn’t recommend the correct spelling of a word or I need a quick definition.

Spellcheck

When I want to know how to spell a word like connoisseur, I type connos into the search bar. Google only needs the first couple of letters to begin autocompleting the query and that’s enough to confirm the correct spelling of a word.

Definitions

When I want to know the definition of a word like permalink, I type define permalink into the search bar. Google then provides the dictionary definition as the first result.

Final Thoughts

You just learned about the best dictionary apps for blogging on iPhone, iPad and Mac computers. Having a dedicated go-to dictionary for each device is an essential tool for blogging and will help to improve your productivity, vocabulary and spelling.

If you use any of the aforementioned free apps, consider purchasing the premium version to encourage continued development. After all, these dictionaries are inexpensive and worth the investment.

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UX writer and content designer by day. Blogger by night. Fan of slow travel, world cultures and effective communication. https://jeffshibasaki.com