For comprehensive research use a specialist database. You can find translation studies specific online resources and databases on the Translation Studies Databases pages.
Listed here you can find the list of key databases for translation and a few interdisciplinary databases that can be used to search across several subjects.
Full bi-lingual dictionaries, between English and French, German, Italian, Spanish, Russian, Chinese, Arabic and Portuguese.
Full text of dictionaries, language reference, and subject reference works published by Oxford University Press, including 130 English and bilingual dictionaries.
Key dictionary of the German language including definitions and grammar.
UCL username and password login required. Key dictionary of the Dutch language includes definitions, etymology, grammar, spelling and literary quotes.
21 free online dictionaries including a French dictionary and bilingual dictionaries.