- double negation
- double negative
- double obelisk
- double occupancy
- double or quits
- double overhead camshaft
- double paddle
- double pair royal
- double penetration
- double play
- double pneumonia
- double possessive
- double precision
- double predestination
- double printing
- double quatrefoil
- double quotes
- double refraction
- double room
- double run
- double salt
- double saucepan
- double scull
- double sculls
- double sharp
- double solitaire
- double spread
- double standard
- double standard of sexual behavior
- double star
- double steal
- double stop
- double sugar
- double tackle
- double take
- double take, do a
- double talk
- double tap
- double time
- double top
- double truck
- double up
- double vision
- double whammy
- double whip
- double wicket
- double wingback formation
- double-O
- double-acting
- double-action
- double-aspect theory
- double-bank
- double-barreled
- double-barrelled
- double-bill
- double-blind
- double-book
- double-bottom
- double-breasted
- double-breasting
- double-check
- double-click
- double-clutch
- double-crested cormorant
- double-crop
- double-cross
- double-cut
- double-date
- double-deal
- double-dealing
- double-deck
- double-decker
- double-declutch
- double-digit
- double-dip
- double-dipping
- double-dome
- double-dotted
- double-double
- double-dumped
- double-duty
- double-dyed
- double-edged
- double-edged sword
- double-ended
- double-ended bolt
- double-entendre
- double-faced
- double-figure
- double-glazed
- double-header
- double-helical gear
- double-hung
- double-jointed
- double-knit
- double-lock
- double-minded
- double-nickel
- double-park
- double-quick
- double-reed
- double-ring
- double-ripper
- double-sided
- double-space
- double-stop
- double-system sound recording
- double-tailed
- double-talk
- double-team
- double-time
- double-tongue
- double-tongued
- double-trailer truck
- double-u
- double-wide
- doubleganger
- doubleheader
- doubleness
- doubles
- doublespeak
- doublet
- doublet pattern
- doublethink
- doubleton
- doubletree
- doubleword
- doubling
- doubloon
- doublure
- doubly
- doubt
- doubtful
- doubting Thomas
- doubtless
- douc
- douce
- douceperes
- douceur
- douche
- douche bag
- douchebag
- dough
- dough bird
- dough hook
- doughbelly
- doughboy
- doughboys
- doughface
- doughfoot
- doughnut
- doughnut hole
- doughty
- doughy
- douk
- doula
- doum palm
- douma
- doun
- doup
- douppioni
- dour
- doura
- dourine
- douroucouli
- douse
- douser
- douter
- doux
- douzaine
- douzepers
- douzième
- dove
- dove color
- dove prion
- dovecote
- dovekie
- dovetail
- dovetail hinge
- dovetail plane
- dovetail saw
- dovetailed
- dovish
- dow
- dowable
- dowager
- dowager's hump
- dowdy
- dowel
- doweling
- dower
- dower chest
- dower house
- dowf
- dowie
- dowitcher
- dowlas
- dowly
- down
- down East
- down and dirty
- down and out
- down card
- down cold, have
- down for the count
- down in the dumps
- down on
- down on one's luck
- down one's alley
- down one's neck
- down one's nose
- down payment
- down quark
- down round
- down someone's throat
- down the drain
- down the hatch
- down the line
- down the pike
- down the road
- down the tubes
- down to
- down to earth
- down to size
- down to the ground
- down to the wire
- down under
- down with
- down-and-dirty
- down-and-out
- down-at-the-heels
- down-ballot
- down-bow
- down-easter
- down-home
- down-low
- down-market
- down-the-line
- down-to-earth
- downbeat
- downburst
- downcast
- downcome
- downcomer
- downcourt
- downcurved
- downcycle
- downdraft
- downdraught
- downer
- downfall
- downfallen
- downfield
- downforce
- downgrade
- downgrowth
- downhaul
- downhearted
- downhill
- downhill all the way
- downhill skiing
- downhiller
- downhold
- downhole
- downlight
- downlink
- download
- downpipe
- downplay
- downpour
- downrange
- downrate
- downregulation
- downrigger
- downright
- downriver
- downs
- downscale
- downshift
- downshifting
- downside
- downsize
- downsizing
- downslide
- downspin
- downspout
- downstage
- downstairs
- downstate
- downstream
- downstroke
- downswing
- downtake
- downthrow
- downtick
- downtime
- downtown
- downtrend
- downtrodden
- downturn