| GROUNDSPEED | Aircraft's velocity with respect to the earth |
| MACHNUMBER | Parameter designated to the ratio of an aircraft's velocity divided by the speed of sound at that altitude (4,6) |
| MACH | Ratio of an aircraft's velocity to the speed of sound |
| SYLLABLES | What the first word of the answer to each starred clue counts, with respect to the second word |
| OBSCENE | "With respect to the world of football, I earn a normal wage. But compared to 99.9% of Spain and the rest of the world, I earn an ___ amount": Juan Mata (7) |
| CLIMATIC | Crucial to disregard cold with respect to the weather (8) |
| HOMAGE | With respect to the silver in the residence (6) |
| PACESETTER | Leader of the field, with respect to the puzzle's creator (10) |
| ONTHEBALL | Up to speed with respect to the masquerade, say (2,3,4) |
| REBUFF | Unexpected rejection with respect to the enthusiast (6) |
| SIDEREAL | With respect to the distant stars |
| REINFORCEMENT | Stay in control with respect to the hard stuff? (13) |
| YOUNGEST | Michelangelo, with respect to the other Teenage Mutant Ninja Turtles |
| MILITARILY | With respect to the military |
| SPECIFIC | Exact or precise with respect to the fulfilment or terms of something (8) |
| CAPITALGAINS | What this puzzle's circled letters are with respect to the surrounding shaded squares? |
| ESCAPE | ___ velocity is the minimum velocity with which a projectile be thrown into space if it has to escape out of gravitational pull of earth (6) |
| ROOT | Part of the plant normally below the ground, attaching it to the earth and conveying nourishment to it from the soil |
| YAZIDEE | Member of a sect in Armenia and the Caucasus who believe in a Supreme God but also pay respect to the Devil (7) |
| DORIS | Do almost get up to velocity with Rovers landlady portrayer Annie Walker (5,5) |