Enter English word in the text field and push Enter; or click one of the buttons:

  • Tj—Thesaurus via Japanese
  • x—Clear the input
  • Th2—Thesaurus.com Thesaurus (External Site)
  • Th3—Merriam-Webster Thesaurus (External Site)
  • EE— English-English Dictionary (External Site)
  • Gg—Google (External Site)
  • Wk—Wikipedia (External Site)
  • Rand—Random search within the dictionary
  • ?—Help

About Thesaurus via Japanese

  • The words listed in this dictionary are related in the sense that the words have the same Japanese translation in English-Japanese and Japanese-English Translation Dictionary. The translations of the dictionary are extracted from the books having a Japanese (or English) edition. The authors include Stephen King, Kazuo Ishiguro, Lewis Carroll, Soseki Natsume, etc. This dictionary was originally edited by Yoichi YAMAOKA, a seasoned and well known English-Japanese translator.
  • This dictionary might help you widen your way of thinking, or get a new insight into your writing.
  • If you have some command of the Japanese language and want to see the Japanese origins of the translations, try Translation Thesaurus, also in this site.
  • You can see the list of words in this dictionary.


If you look up childish, you will get a word list like the following:

boyish  childlike  endearingly  innocence  innocently  inviting  juvenile  little-girl  
inadequate  uncertain  halting  
adolescent  basic  young  
bad  disastrous  poor  
blameless  casual  guileless  innocent  naive  
early  little  

Depending on the context, "childish" could mean: childlike, poor, blameless, little, ..., and the corresponding Japanese are all different.

You can see corresponding Japanese words at this page of Translation Thesaurus for Japanese-English and English-Japanese translators.

You can see more examples by clicking Rand button at the top.