| devil lies in the details | | | |
| devil's advocate | | | |
| devil's luck | | | |
| devour | | | |
| dial back | | | |
| dial down | | | |
| dial towards | | | |
| diarrhea of the mouth | | | |
| dice roll | | | |
| dick milk | | | |
| dick munch | | | |
| dicky | | | |
| dictated but not read | | | |
| die | | | |
| die a thousand deaths | | | |
| die down | | | |
| die hard | | | |
| diehard | | | |
| die in harness | | | |
| die on one's arse | | | |
| die on the vine | | | |
| die out | | | |
| die the way one lived | | | |
| different breed of cat | | | |
| different drummer | | | |
| dig a hole for oneself | | | |
| dig deep | | | |
| dig in | | | |
| dig in one's heels | | | |
| digital courage | | | |
| dig oneself in a hole | | | |
| dig one's heels in | | | |
| dig one's own grave | | | |
| dig out of a hole | | | |
| dig up | | | |
| dig up dirt | | | |
| dim and distant | | | |
| dime's worth | | | |
| diminishing returns | | | |
| dine on ashes | | | |
| dip a toe into | | | |
| dip into | | | |
| diplomatic flu | | | |
| dip one's toe in | | | |
| director of first impressions | | | |
| dirt file | | | |
| dirt-poor | | | |
| dirty laundry | | | |
| dirty look | | | |
| dirty money | | | |
| dirty pool | | | |
| dirty word | | | |
| dirty work | | | |
| Disgusted of Tunbridge Wells | | | |
| dishpan hands | | | |
| dish the dirt | | | |
| dismal science | | | |
| dive in | | | |
| do a bunk | | | |
| do a number on | | | |
| do a slow burn | | | |
| do away with | | | |
| do by halves | | | |
| do cartwheels | | | |
| doctors make the worst patients | | | |
| dodge a bullet | | | |
| do down | | | |
| do drugs | | | |
| does the Pope shit in the woods | | | |
| does the Pope wear a funny hat | | | |
| do exactly what it says on the tin | | | |
| dog and cat | | | |
| dog and pony show | | | |
| dog around | | | |
| doggonit | | | |
| doghole | | | |
| dog in the hunt | | | |
| dog in the manger | | | |
| dog my cats | | | |
| dogs bark, cats meow | | | |
| dog's breakfast | | | |
| dog's chance | | | |
| dog's life | | | |
| dog that caught the car | | | |
| dog-tired | | | |
| dog who caught the tire | | | |
| do ill | | | |
| do it tough | | | |
| do justice | | | |
| dole out | | | |
| dollar-sign eyes | | | |
| do me a favour | | | |
| do me a lemon | | | |
| done and dusted | | | |
| done deal | | | |
| donkey's ears | | | |
| donkey's years | | | |
| donkey work | | | |
| don't call me sir, I work for a living | | | |
| don't call us, we'll call you | | | |