The phrase "erect bugle" can refer to a variety of objects, but it generally implies something standing tall and alert. Synonyms for this phrase might include words like upright, straight, raised, perky, or standing at attention. Depending on the context, other synonyms might also be appropriate. For example, a military bugle might be described as "blaring" or "attention-getting," while a plant or tree might be described as "towering" or "majestic." Similarly, a building or monument might be described as "imposing" or "monumental," while a person might be described as "alert" or "vigilant" if they are standing at attention. Regardless of the context, describing something as "erect bugle" can help convey a sense of strength, resilience, and readiness.