| Opening action removing tension | 31 |
| Opening allowing entry of air or fluid | 38 |
| Opening amount | 14 |
| Opening and closing facilitator | 31 |
| Opening at a hookah store? | 26 |
| Opening at a laundromat | 23 |
| Opening at a long lecture? | 26 |
| Opening at an opening | 21 |
| Opening at the casino | 21 |
| Opening at the end of a shaft | 29 |
| Opening band | 12 |
| Opening bars | 12 |
| Opening bet | 11 |
| Opening bet, in poker | 21 |
| Opening bets | 12 |
| Opening bit | 11 |
| Opening book division | 21 |
| Opening books | 13 |
| Opening bout, briefly | 21 |
| Opening bridge bid, informally | 30 |
| Opening buzzer? | 15 |
| Opening call | 12 |
| Opening caucus locale | 21 |
| Opening China? | 14 |
| Opening chip | 12 |
| Opening chip, in poker | 22 |
| Opening chips | 13 |
| Opening course, often | 21 |
| Opening curtain follower | 24 |
| Opening Day event | 17 |
| Opening Day mo. | 15 |
| Opening day of a PGA event, usually | 35 |
| Opening day of the Masters: Abbr. | 33 |
| Opening day pitcher | 19 |
| Opening day pitcher, usually | 28 |
| Opening day site? | 17 |
| Opening day starter | 19 |
| Opening day starter, usually | 28 |
| Opening Day V.I.P. | 18 |
| Opening day? | 12 |
| Opening days? | 13 |
| Opening device | 14 |
| Opening flap | 12 |
| Opening for ''sphere'' | 38 |
| Opening for "state" or "net" | 48 |
| Opening for "while" | 29 |
| Opening for a chorus line | 25 |
| Opening for a coin | 18 |
| Opening for a coin? | 19 |
| Opening for a concertmaster? | 28 |
| Opening for a dermatologist | 27 |
| Opening for a dermatologist? | 28 |
| Opening for a gun? | 18 |
| Opening for a letter-shaped bolt | 32 |
| Opening for a maid? | 19 |
| Opening for a mail carrier | 26 |
| Opening for a music box? | 24 |
| Opening for a peeping Tom | 25 |
| Opening for a sweat bead | 24 |
| Opening for a tab | 17 |
| Opening for a token | 19 |
| Opening for a young baseball fan | 32 |
| Opening for air | 15 |
| Opening for an anchor | 21 |
| Opening for an anchor cable | 27 |
| Opening for an aspiring leader | 30 |
| Opening for Ansel Adams | 23 |
| Opening for birds? | 18 |
| Opening for change | 18 |
| Opening for closing? | 20 |
| Opening for coins | 17 |
| Opening for dynamic | 19 |
| Opening for firing | 18 |
| Opening for gas or steam | 24 |
| Opening for graph | 17 |
| Opening for letters | 19 |
| Opening for light? | 18 |
| Opening for lubrication | 23 |
| Opening for mechanism | 21 |
| Opening for meter or grade | 26 |
| Opening for milk? | 17 |
| Opening for molten metal | 24 |
| Opening for opening | 19 |
| Opening for outside? | 20 |
| Opening for peace talks | 23 |
| Opening for peering through a fence | 35 |
| Opening for Romeo | 17 |
| Opening for Romeo? | 18 |
| Opening for the wrist or the back? | 34 |
| Opening for three | 17 |
| Opening for troops? | 19 |
| Opening for valence | 19 |
| Opening for Vegas | 17 |
| Opening for winter fishing | 26 |
| Opening foray | 13 |
| Opening foursome | 16 |
| Opening frames | 14 |
| Opening group? | 14 |
| Opening half? | 13 |
| Opening Hebrew letter | 21 |