There are various synonyms for the phrase "getting worse", which can be used to describe a decline or deterioration of a situation or condition. Some of the most commonly used words include deteriorating, worsening, degenerating, declining, deteriorating, regressing and slipping. Other related words that can be used to convey the same meaning are decaying, deteriorating, failing, collapsing, worsening, sinking, and retrograding. Each of these words emphasizes a different aspect of the decline and can be used depending on the context of the situation being described. Additionally, these words are useful in adding variety to speech and writing and can help to accurately communicate the severity of a situation.