Word Lab Sources
Learn about JMDict, KanjiDic, and other dictionary sources used in yomeru.ai.
Every word lookup on yomeru.ai draws from multiple authoritative Japanese dictionaries working together. You don't need to think about which source to use — the system combines them automatically to give you the most complete answer.
Comprehensive coverage
Word Lab combines multiple authoritative sources for the most comprehensive Japanese coverage available.
Our Sources
Beyond these open sources, yomeru.ai also draws on premium dictionary and grammar references to fill in gaps and ensure definitions are accurate even for uncommon or specialized vocabulary.
Vocabulary Labels
Vocabulary cards display helpful labels so you can gauge how a word is actually used. You'll see tags like Common for everyday vocabulary, Uncommon for rarer words, and indicators for formal, informal, archaic, slang, or domain-specific terms (medical, legal, technical, and so on).