The phrase 'built excessively' refers to things that have been constructed in an exaggerated manner or to an extreme degree. Synonyms for this phrase include overbuilt, overdone, overstated, overblown, overwrought, over-elaborate, and over-the-top. These synonyms can be used interchangeably depending on the context of the sentence or statement. For example, one could say 'the city was overbuilt with skyscrapers' or 'the mansion was overdone with ornate decor'. The use of these synonyms can enhance language and add variety to communication. Utilizing a diverse vocabulary is important for effective communication and can help convey the intended message clearly.