noun, na-adjective
in perfect form; going swimmingly
Describes a person, performance, or situation that is at its absolute best, with everything going smoothly. Often used in sports, business, or daily condition.
今日の彼は絶好調だ。
He is in perfect form today.
新製品の売れ行きは絶好調です。
Sales of the new product are going swimmingly.