When something troubles us or causes anxiety, we often use the phrase "worried about". However, there are a variety of synonyms that can be used in its place depending on the context. For example, if one is feeling uneasy or uncertain, "concerned about" is a suitable alternative. If one is feeling apprehensive or fearful, "nervous about" or "anxious about" may be more appropriate. Additionally, "troubled by" can convey a deeper sense of distress, while "disturbed by" suggests a feeling of disturbance or disruption. Ultimately, there are numerous words that can be used in place of "worried about" to more accurately convey our emotions and concerns.