線上辭典

遠流http://www.word123.com/

Dr Eye 譯典通http://www.dreye.com.tw

http://www.ee.tku.edu.tw/~rexchen/cdict/cdict.html

Prestine Lexicon http://lex.pristine.net/

http://www.mandarintools.com/worddict.html

http://sunrain.net/r_ecdict_e.htm （英漢查詢）

英文線上辭典(查詢定義與同義詞)

http://www.thesaurus.com/

Merriam Webster http://www.m-w.com/

Wordnet http://www.cogsci.princeton.edu/~wn/

http://thesaurus.com/antonyms/ （查詢反義詞）

Cambridge Dictionaries http://dictionary.cambridge.org/ (查詢定義與片語)

Microsoft Encarta World English Dictionary http://dictionary.msn.com/

Dictionaries of Idioms

http://www.talktidy.com/tt-d.html

The On-Line Dictionary of Playground Slang http://odps.cyberscriber.com/