The phrase "wast height" generally refers to an object or person's height at the level of their waist. However, there are various words that can be used as synonyms to convey the same meaning. Some of these synonyms include "midsection height," "waistline level," "belly button height," and "abdomen level." Additionally, terms such as "waist high," "waist high level," "waist high point," and "waist high ground" can also be used to describe something at the height of the waist. Ultimately, the use of synonyms allows for a more diverse and descriptive use of language to accurately portray the intended meaning of the phrase.