English/Thai Dictionary
NECTEC Lexitron
Cyberdict
SiamDic
Thai Dictionary and related
Royin Thai Dictionary, ROYIN Web Coinage
Dental Products by Faculty of Dentistry, Chulalongkorn University
www.thai-language.com
https://lang4fun.blogspot.com/ by Mr.Choke
English/Thai Dictionary Software Application
https://www.megadict.com/ for Windows, trial version available
https://se-ed.net/r3dic/
English/English Dictionary
YourDictionary.com
OneLook® Dictionary Search
Oxford Advanced Learner Dictionary (OALD) Search
Century Unabridged (1889)
Webster's 1828
Webster's 1913
WordNet
Ultralingua
Canonical Abbreviation/Acronym List
Japanese Dictionary
Prof. Tomita Japanese<->Thai dictionary
Saikam (Japanese/Thai)
ALC (Japanese/English) (data from Eijiro)
Goo Dictionary
German and German/English Dictionaries
LEO Online
TU-Chemnitz Dictionary