1
vb agitate, bother, bustle, confound, confuse, disturb, excite, flurry, hassle (informal) heat, hurry, make nervous, perturb, rattle (informal) ruffle, throw off balance, unnerve, upset
2
n agitation, bustle, commotion, disturbance, dither (chiefly Brit.) flap (informal) flurry, flutter, furore, perturbation, ruffle, state (informal) turmoil