On line:
visuwords
- bilingual
- Bilingual Google
- Bilingual Word reference
- Morris English-Basque dictionary
- Cambridge
- Cobuild Collocations
- Ozdic collocation dictionary
- Oxford Collocation Dictionary
- Diclib
- Dictionary.com
- Etymology dictionary
- Examples
- longman
- Macmillan
- Oxford (OALD)
- Pronunciation Howjsay
- the free dictionary
- The Phrase Finder
- Visuwords
- Wikipedia
- Wolfram Alpha
- Word reference
- Urban dictionary (slang,US)
- Translation data bases (to check how others translated a word or phrase):
- Linguee
- Proz.com
- Dictionaries on paper:
Gran Diccionario Larousse inglés-español, Spanish-English
Oxford Dictionary of English, 3rd edition - Collins-Elhuyar English-Basque dictionary