Antonyms for "more shook up" may include feeling calm, composed, collected, tranquil, and steady. These words contrast with the idea of feeling shaken or disturbed, denoting a sense of emotional stability and peace. When someone is calm, it means they are not easily perturbed or agitated. Being composed represents a sense of control and poise, despite the stressors one may encounter. The word collected suggests a focused and grounded state of mind, not easily swayed by external events. Similarly, feeling tranquil or serene is the opposite of feeling shaken and disturbed, signifying a deep sense of inner peace and tranquility. Finally, if someone is steady, they remain firm and unwavering, not shaken or distracted by events.