Arabic Dictionary and Reference Websites
The Living Arabic Project
ECA / LCA / (MSA) – Online Egyptian Arabic, Levantine Arabic, and Classical Arabic dictionaries.
Lingualism Arabic Learner's Dictionary
MSA – The majority of the Lingualism ALD is available to search online. Bookmark entries, look up random entries (to test your vocabulary knowledge and find new words), find words with common roots, learn about the geography of the Arabic world.
All The Arabic You Never Learned The First Time Around
MSA – Grammar reference and drills for non-beginning learners.
Forvo: Arabic pronunciation dictionary
Crowd-sourced pronunciation of thousands of words and phrases. Request pronunciations from native speakers.
MSA – Dictionary that provides not only English translations, but also parses words to show you the part of speech and root. If you come across a verb, for example, and can’t figure out what the base form or measure of the verb is, type it in and see a list of possible meanings and conjugations.
Fuzzy Arabic Dictionary
Look up Arabic words without needing to know how to spell them. Just type a word out as it sounds to you in English.
CA – User-generated dictionary of colloquial Arabic with colloquial / slang expressions organized by country.
MSA – Bilingual (Arabic – English / French / Portuguese / Spanish / Turkish / Persian) dictionaries, monolingual Arabic dictionary, Arabic names dictionary, forum, and other online tools.