fastest

a acting or moving or capable of acting or moving quickly a (used of timepieces) indicating a time ahead of or later than the correct time a at a rapid tempo s (of surfaces) conducive to rapid speeds s resistant to destruction or fading s unrestrained by convention or morality s hurried and brief s securely fixed in place s unwavering in devotion to friend or vow or cause s (of a photographic lens or emulsion) causing a shortening of exposure time r most quickly