The term "empty suit" is often used to describe someone who appears to be of importance or authority, but lacks the substance or ability to back it up. Some synonyms for "empty suit" include "phoney," "fraud," "charlatan," "pretender," and "imposter." Other phrases that can be utilized instead of "empty suit" include "all hat and no cattle," "smoke and mirrors," "empty vessel," and "hollow man." Regardless of which term is selected, the implication remains the same - that the individual in question is all show and no substance. These synonyms are useful for anyone looking to describe someone who appears to be grandiose, but ultimately lacks the qualifications to justify their position or reputation.