Lexilogos is a comprehensive set of resources for the study of the languages of the world. The site also provide useful links to other dictionaries such as Siames-English dictionary, Defense Language Institute.
This dictionary is the official Thai language dictionary produced by the Thai Royal Institute Dictionary.
Print dictionaries
ANU holds an extensive collection of Thai language dictionaries. All dictionaries are listed in the Library Catalogue. Thai dictionaries are listed via these subject headings on the Catalogue:
Lists synonyms for English words in common use and includes antonyms for appropriate terms. It is issue 22 of Chulalongkorn University dictionary series.
One of the most popular modern Thai-English dictionaries and thesaurus for learners of English. Meanings and definitions of words with pronunciations and translations.
The Oxford-Duden Pictorial Thai & English Dictionary identifies over 29,000 objects by means of numbered illustrations, and offers at a glance their Thai and English terms.