100 Science Words College Graduate Should Know
From the American Heritage® 100 Words series: 100 science terms every college graduate should know, each with an explanation.
Apps · Language · 25
English–English apps
Monolingual English apps from Enfour: dictionaries, thesauri, quotations, and vocabulary builders for native speakers and advanced learners.
100 Words Almost Everyone Mispronounces
From the 100 Words series: 100 words people often mispronounce, with explanations and audio of the correct pronunciation.
100 Words Every Word Lover Should Know
From the American Heritage® 100 Words series: 100 words picked for language lovers, from "aesthetic" to "zenith."
100 Words Everyone Confuses and Misuses
The American Heritage® editors' selection of 100 commonly confused and misused English words, with guidance on the correct usage of each.
100 Words for Lovers ♥
One hundred words about love and romance, chosen for the best-selling 100 Words series from the American Heritage® editors.
100 Words High School Freshman Should Know
From the American Heritage® 100 Words series: 100 words for students starting high school.
100 Words High School Graduate Should Know
From the American Heritage® 100 Words series: the 100 words its editors think every high school graduate should know.
American Heritage Dictionary 5
The Fifth Edition of The American Heritage® Dictionary of the English Language as a mobile app.
American Heritage® Deluxe
The American Heritage® Dictionary (Fourth Edition) bundled with Roget's II: The New Thesaurus and native-speaker audio.
American Heritage® Dictionary
The American Heritage® Dictionary, Fourth Edition, with nearly 300,000 terms and tens of thousands of native-speaker audio recordings.
American Heritage® Medical
The American Heritage® Medical Dictionary, a medical terminology reference for students, healthcare professionals, and general readers.
AOD (InApp)
An in-app-purchase edition of the complete Australian Oxford Dictionary, Second Edition, with sound.
Australian Oxford Dictionary
The complete Australian Oxford Dictionary, Second Edition, a reference for contemporary Australian English, with sound.
Companion Synonyms
Grady Ward's Moby Thesaurus II, with 30,260 root words and over 2.5 million synonyms and related terms.
Companion Thesaurus
A thesaurus with over 145,000 headwords, each listing synonyms, antonyms, and broader terms.
LDOCE (InApp購入版) – ロングマン現代英英辞典
An in-app-purchase edition of the Longman Dictionary of Contemporary English (6th edition) for iOS and macOS.
Oxford Deluxe (InApp)
An in-app-purchase edition of the Oxford Dictionary of English and Oxford Thesaurus of English (second editions), with audio.
Oxford Deluxe (ODE and OTE)
Oxford's largest single-volume English dictionary and thesaurus in one app: the full Oxford Dictionary of English and Oxford Thesaurus of English (both second editions), with audio pronunciations.
Oxford Dictionary of English.
The complete Oxford Dictionary of English, Second Edition, Oxford's largest single-volume English dictionary.
Oxford Thesaurus of English.
The Oxford Thesaurus of English, Second Edition, in full, along with its extra reading and reference material.
Oxford Wordfinder
Themed word lists drawn from the supplementary material of the Oxford Thesaurus of English.
Roget’s II: New Thesaurus
The complete Roget's II: The New Thesaurus on iPhone, supplemented with Grady Ward's Moby Thesaurus II.
The Yale Book of Quotations
More than 13,000 quotations and proverbs from Yale University Press's The Yale Book of Quotations, edited by Fred R.
Wall Street Words
The complete Wall Street Words, an A–Z guide to investment terms, with links into the American Heritage® dictionaries.
ロングマン現代英英辞典【6訂版】
The Longman Dictionary of Contemporary English (6th edition) for iPhone and iPad, a learner's dictionary whose definitions use a core vocabulary of about 2,000 words.