Dictionaries

Browse by Subject for information on specialized dictionaries.

Dictionary.com

Multi-source dictionary service produced by Lexico Publishing Group, LLC, a leading provider of language reference products and services on the Internet.

Electronic Resources - Dictionaries

More than 300 dictionaries retrieved from a search of the Library's Electronic Resources Gateway.

InfoPlease

The dictionary component of the Information Please bundle that includes an almanac, thesaurus, encyclopedia, and atlas.

Merriam-Webster Online

This freely available (with advertising) version couples Merriam-Webster Online Dictionary and Thesaurus.

Na Puke Wehewehe Olelo Hawaii/Hawaiian Dictionary

Allows searches in Hawaiian or English.

Oxford English Dictionary (OED)

The Oxford English Dictionary is the preeminent historical dictionary of the English language. The OED Online contains the complete text of the 20-volume Second Edition, first published in 1989, together with its 3-volume Additions Series, published in 1993 (volumes 1 and 2) and 1997 (volume 3).

Reference.com

Includes a multi-source dictionary, thesaurus, almanac, atlas, etc.

Roget's Thesaurus

Search the headwords or full text of Roget's Thesaurus, 1911, version 1.02 (supplemented: July 1991).

Webster's Revised Unabridged Dictionary

Search the headwords of Webster's Revised Unabridged Dictionary, 1913 (over 109,000 entries).