| ACCELERATE | Tee off with clear account used to increase speed |
| INSTA | Account used to log into Threads, familiarly |
| HURRYUP | Ben has toe to accelerator certainly to increase speed (5,2) |
| HEADGEAR | School principal with aid to increase speed for bowler, say (8) |
| GUNRUNNER | To increase speed, athlete's one who moves arms impermissibly (9) |
| CHARGESUP | Prepares to increase speed when something new's afoot (7,2) |
| GETUPSTEAM | Outfit team's changed to increase speed (3,2,5) |
| ACCELERATOR | Device to increase speed (11) |
| HIKED | Walked for a long distance to increase speed, ultimately (5) |
| GIDDYUP | It's said to increase speed of a charger? (5,2) |
| TOFF | Tee off with well-to-do chap (4) |
| DEVOTEE | Dove to tee off with ardent follower (7) |
| EGRET | The old king to tee off with a birdie? (5) |
| ACIDIC | Account used by one woman with cold tart |
| AGEDPARENT | Have Grandpa tee off with the Old Man (4,6) |
| CREATIVES | Vicars tee off with advertising types (9) |
| BASEMETAL | Tee off with 17d's iron? (4,5) |
| GOLFBALL | It has characters of type one may tee off with (8) |
| LAUREATE | Laura, tee off with honoured recipient of award (8) |
| AMPLIFIER | Electronic device used to increase the strength of a signal fed into it, used chiefly in sound reproduction (9) |
