D
- daily grind
- damn right
- dark horse
- date back
- dawn of time
- dawn on
- day and night
- daylight robbery
- dead center
- dead giveaway
- dead meat
- dead of night
- deal with
- deep dive
- deep down
- deer in the headlights
- depend on
- depend upon
- dependent on
- depending on
- devil's advocate
- dial back
- dial in
- die down
- die hard
- die out
- dig deep
- dig in
- dig in one's heels
- dig out
- dig up
- dire straits
- dirty laundry
- dirty work
- disagree with
- dish out
- dispense with
- dispose of
- dive in
- do away with
- do in
- do justice
- do one's best
- do or die
- do over
- do the math
- do the right thing
- do the trick
- do up
- do without
- dodge a bullet
- dog eat dog
- dole out
- don't go there
- done and dusted
- done deal
- double back
- double down
- double up
- down and out
- down in the dumps
- down on one's luck
- down the drain
- down the line
- down the road
- down to
- down to the wire
- down under
- down with
- doze off
- drag on
- drag one's feet
- draw a blank
- draw on
- draw out
- draw the line
- draw the short straw
- draw up
- dream come true
- dream on
- dress up
- drink up
- drive crazy
- drive up the wall
- drop by
- drop in
- drop in the bucket
- drop off
- drop out
- drop the ball
- drown out
- dry out
- dry run
- dry up
- due course
- due to
- dumb down
- dust off