Tarty is an adjective that often has negative connotations, associated with sexual promiscuity or a lack of taste. Synonyms for tarty include vulgar, gaudy, flashy, cheap, tacky, and tasteless. These words similarly describe something that is often considered crass or lacking in refinement. Alternative words and phrases that can be used instead of tarty include suggestive, risque, immodest, or seductive, which may be more appropriate in some contexts. However, it's important to be aware that such words may still carry connotations that could impact on the interpretation or perception of the text or situation in which they are used.