| STERNWAY | Backward motion of vessel (8) |
| WAY | Forward motion of vessel through water (3) |
| VELOCITY | A measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time |
| MOMENTUM | In physics, the quantity of motion of a moving body, equal to the product of the mass and the velocity (8) |
| DYNAMICS | The science of the motion of bodies and action of forces with them (8) |
| EVECTION | Periodical variation in the motion of the moon caused by the attraction of the sun (8) |
| FREEFALL | Motion of a body, such as a spacecraft, under the force of gravity only; part of a parachute jump before the canopy deploys; or, any fast uncontrolled descent, dip or drop (4,4) |
| WHIPLASH | A flexible end of a switch or riding crop; or, a jerk or jolt to the neck that occurs suddenly, like the cracking motion of a scourge (8) |
| BACKWASH | The motion of receding waves (8) |
| FLAGELLA | Organs of motion of many microorganisms |
| UPSTROKE | Purest works preserving fine motion of paintbrush? (8) |
| ALMAGEST | Ptolemy's treatise on the motion of the stars and planets (8) |
| BROWNIAN | Erratic random motion of microscopic particles in a fluid (8) |
| ROTATION | The spinning motion of a planet about an internal axis (8) |
| SECONDER | One who progresses the motion of drones circling London's financial centre (8) |
| WINDMILL | An aerogenerator; or, a dance, pinwheel, whirligig etc, mimicking the revolving motion of its sails/vanes (8) |
| DOWNBEAT | Relaxed motion of a conductor |
| ENCUMBER | Impede the motion of |
| FLYSPECK | Motion of an insect? (3-5) |
| MALDEMER | Sickness caused by the motion of the ocean |
