The word "skittery" describes someone who is nervous or easily frightened. Antonyms for this word would be "confident," "brave," "calm," "relaxed," "daring," "fearless," and "audacious." These words describe individuals who are not easily shaken by their surroundings and are able to remain calm in stressful or unpredictable situations. These antonyms portray individuals who are steady, self-assured, and unflappable, qualities that are often associated with leadership and success. Instead of being skittery or nervous, individuals who possess these antonyms are likely to be confident and capable, and able to handle challenges with ease.