Tremulous/ˈtremjələs/ Definition 1 of 2Pro Tip 1/3Physical Reaction It often describes a physical reaction to emotions such as fear or excitement. Her fingers were tremulous as she opened the letter. Pro Tip 2/3Emotional State Implies a fragile emotional state, used when someone is trying to control their nerves. He reached out with a tremulous hand, uncertain yet hopeful. Pro Tip 3/3Subtle Intensity Suggests a soft or subtle form of movement, not intense shaking. A single leaf fell, its tremulous dance captivating in the still air.