There is a total of 6423 clues beginning with op
- Opening books
- Opening bout, briefly
- Opening bout, for short
- Opening bridge bid, informally
- Opening buzzer?
- Opening by which a fluid is admitted
- Opening call
- Opening caucus locale
- Opening China?
- Opening chip
- Opening chip, in poker
- Opening chips
- Opening chips, at times
- Opening chords in jazz
- Opening comments
- Opening course
- Opening course
- Opening curtain follower
- Opening day
- Opening Day event
- Opening Day mo
- Opening day of the Masters: Abbr
- Opening day pitcher
- Opening Day pitcher, often
- Opening day pitcher, typically
- Opening Day pitcher, usually
- Opening day site?
- Opening day squad
- Opening day starter
- Opening day starter, usually
- Opening Day starters
- Opening Day time
- Opening Day VIP
- Opening day?
- Opening days?
- Opening device
- Opening dis at a roast?
- Opening drives in golf
- Opening episode
- Opening event
- Opening feature
- Opening flap
- Opening for "sphere"
- Opening for "state" or "net"
- Opening for "while"
- Opening for "while," once
- Opening for 31-Down
- Opening for a chorus line
- Opening for a coin
- Opening for a coin?
- Opening for a computer technician?
- Opening for a concertmaster?
- Opening for a dermatologist
- Opening for a dermatologist?
- Opening for a gun?
- Opening for a keycard
- Opening for a letter-shaped bolt
- Opening for a maid?
- Opening for a mail carrier
- Opening for a Mughal masterwork
- Opening for a music box?
- Opening for a peeping Tom
- Opening for a personal view
- Opening for a sphere
- Opening for a sweat bead
- Opening for a tab
- Opening for a time or a dime
- Opening for a token
- Opening for a young baseball fan
- Opening for air
- Opening for an act
- Opening for an anchor
- Opening for an anchor cable
- Opening for an aspiring leader
- Opening for an ATM card
- Opening for an EPA worker?
- Opening for Ansel
- Opening for Ansel Adams
- Opening for birds?
- Opening for botany or linguistics
- Opening for breathing
- Opening for change
- Opening for closing?
- Opening for coins
- Opening for communication?
- Opening for dynamic
- Opening for Fallon or Colbert
- Opening for firing
- Opening for fluid in a pipe
- Opening for four
- Opening for gas or steam
- Opening for gas, steam, or lava
- Opening for letters
- Opening for light?
- Opening for lubrication
- Opening for mechanism
- Opening for milk?
- Opening for molten metal
- Opening for outside?
- Opening for passage of hoisting machine