The trembling prairie is a phrase that evokes the sense of a landscape that is alive and quivering with activity. Synonyms for this phrase include shivering grasslands, quivering meadows, shaking savannas, and vibrating fields. These words all suggest a landscape that is not at rest, but rather one that is in constant motion. They also imply a certain energy and vitality to the environment, as if the flora and fauna are constantly in flux and never still. Other similar phrases to describe such an environment might include jouncing or jittery prairies, which add an element of movement and instability to the description.