The word "undisturbedly" means to remain calm or peaceful without any interruption or disturbance. Some synonyms for this word include tranquilly, peacefully, calmly, serenely, placidly, untroubled, and quietly. These words can be used to describe a serene environment or a person's relaxed state of mind. For instance, a person sitting by a lake and feeling the gentle breeze touching their face can be described as being undisturbedly tranquil. Similarly, a person practicing meditation might occupy a state of undisturbed calm and peace while focusing on their breath. In conclusion, using synonyms of "undisturbedly" can enhance the richness and efficacy of your language while describing situations where a calm and serene state of mind is desired.