The American Heritage Dictionary of the English Language
PE1628.A623 2011

Encarta World English Dictionary
PE1628.E5324 1999

Longman Dictionary of American English
PE2835.L6 2008

Longman Language Activator
PE1628.L65 2002

Oxford ESL Dictionary : for Students of American English
PE2835.O93 1991

McGraw-Hill’s Dictionary of American Slang and Colloquial Expressions
PE2846.S639 2006

Merriam-Webster’s Collegiate Dictionary

NTC’s American English Learner’s Dictionary
PE1628.S5825 1998

Practical English Usage
PE1106.S94 1995

Random House Webster’s College Thesaurus
PE1591.R314 1997


A multi-source dictionary search service, it searches for definitions in a number of different Webster’s and American Heritage dictionaries. The source of each entry is given immediately after the entry.

Longman Dictionary of Contemporary English Online
Includes pronunciation for most words, examples, and a link to a verb conjugation table for each word. One of the best free online dictionaries for ESL learners.

Merriam-Webster Online
Includes an online dictionary, thesaurus, audio pronunciations, Word of the Day, word games and other English language resources.

NetLingo Internet Dictionary
Comprehensive dictionary and glossary of Internet acronyms and jargon used in e-mails and chats.

Newbury House Dictionary of American English
Contains over 40,000 entries. Includes simple, clear definitions, sample sentences and idioms, activities and a pronunciation guide.

Wordsmyth English Dictionary-Thesaurus
Defines words and suggests synonyms.