Online Dictionaries

  • Visuwords™ online graphical dictionary — Look up words to find their meanings and associations with other words and concepts. Produce diagrams. Learn how words associate. (I t’s a dictionary! It’s a thesaurus! – Great for writers, journalists, students, teachers, and artists. – The online dictionary is available wherever there’s an internet connection. – No membership required.)
  • IATE the best dictionary seen so far – bidirectional all languages  – part of the EU site;

Onelook Dictionariessimultaneous lookup in more than 20 dictionaries

The Encarta Online Dictionary English to English but very good for double-checking terms

Newbury House (with photos)

Merriam-Webster’s Collegiate Dictionary, 10th Edition

Cambridge online Dictionaries


Dictionary.com (English, meta-search)

FreeDict Dictionaries

Synonym Dictionary of English

On-line Dictionaries and Glossaries – Language Sort

RefDesk.com Dictionaries & Language Resources

Dictionary metasearch tool (English)
   Old English Dictionary (Modern vs Old)

English Thesauruses

THESAURUSA link not just for looking up related words but for straightforward dictionary work, fun and games section, crossword puzzles

and more

Roget’s Thesaurusvia Project Gutenberg

ARTFL Project- ROGET Form

American Slanguages
You’ve just arrived and you can’t understand the local slang. Don’t despair, go to slanguages and get help with the local dialect!

Vocabulary University

Specialist Dictionaries


Academic Press Dictionary of Science and Technology

Biotech’s Life Science Dictionary

Computer Currents High-Tech Dictionary

Dictionary of Measures, Units and Conversions

Λεξικό Ορολογίας Πληροφορικής (Greek-English) University of Athens searchable online dictionary of informatics

High – Tech Dictionary

FOLDOC Computing Dictionary
Computer Science Glossary About.com’s Guide J.D. Baker provides an expert resource and definition, as well as an example sentence using each glossary term for contextual help understanding the specific term.

Glossa : Technical Dictionary (Greek-English)

Terminological Information System (Multilingual) – good for a variety of fields; source Eurodicautum

Business, Computer and more Glossaries from Multilingual Solutions

Business & Finance Glossary A helpful glossary of English Terms explained in Greek.


Legal Dictionary

International Law Dictionary

law.com Dictionary

The Duhaim online legal dictionary

Glossary of Social Science An alphabetical listing of terms in social science texts and articles

Dictionary of the Social Sciences

Official Dictionary of Olympic Sports (English to Greek)

Official Dictionary of Olympic Sports ( Greek to English)

Biographical Dictionary

EUR-Lex – Access to European Union Law.


Online Medical Dictionary

Medicinet Medical Dictionary

Medline Netdefinitions of popular medical terms

Shareware Dictionary of 10.000 Medical Termsif you ever need it, probably not on this course, you need to pay a fee.

Dictionary of Medical Terminology

Terminological Information System (Multilingual) – good for a variety of fields; source Eurodicautum

Collection of various online medical dictionaries

Dictionary of Medical Terms English to Greek and Greek to English

Αντίστροφο Λεξικό

Επίτομο λεξικό της μεσαιωνικής ελληνικής δημώδους γραμματείας – Κριαρά

Λεξικό Ελληνικής Γλώσσας – Τριανταφυλλίδη

Dictionary of Greek & Latin Roots

English-Greek Word Search. Perseus Project

Greek-English dictionary of current words and phrases

Greek-English-Greek informatics terminology dictionary

Greek-English: Liddell-Scott-Jones lexicon of classical Greek (Perseus Project)

Microsoft Glossaries in Greek

The Online Plain Text English Dictionary

Merriam-Webster’s Collegiate Dictionary 1.0

WordWeb (16-bit) 1.53

Wordnet English Dictionary and Thesaurus


A concordancing programme will ‘call up’ the word from a corpus of collected texts and will show it on your screen along with its co-text

  • GREEK CORPUS SEARCH – you may need to register via e-mail -Ελληνικό concordancer, με κείμενα από την εφημερίδα “Μακεδονία”, μέρος του Κόμβος, που προσφέρει πολλά σε διδάσκοντες και διδασκόμενους της Ελληνικής γλώσσας.
    Greek online concordancer, with texts from the newspaper Makedonia, part of the rapidly developing KOMVOS site for teachers and learners of Greek.
  • ILSP CORPUS SEARCH – a limited number of searches can be performed without a subscription(Εδώ θα βρείτε το σώμα κειμένων του Ινστιτούτου Επεξεργασίας Λόγου, το οποίο αποτελείται από 30 εκατομμ. λέξεις.  Σαν επισκέπτης χρήστης έχετε πρόσβαση στο πρόγραμμα με τον περιορισμό ότι δίνει μέχρι 10 μόνο προτάσεις για κάθε λέξη.  Μπορείτε να κατεβάσετε τα αποτελέσματα.  Με συνδρομή έχετε πρόσβαση σε πλήρη αποτελέσματα.

is the site of the 30-million word Institute of Language and Speech Processing (ILSP) corpus of Greek.  The demo version gives up to 10 sentence citations for each search word, which can be downloaded; subscriber facilities. (In Greek only)



[From:    Marisa Costantinides Blog]