* Prefix: Dis- meaning "not" or "the opposite of"
* Root word: Honest meaning "truthful, sincere, and fair"
* Suffix: -est meaning "the superlative degree" (indicating the highest degree of something)
So, "dishonest" means "not honest," or "the opposite of honest." The "-est" suffix intensifies the meaning, implying a very high degree of dishonesty.