| One involved in foreign exchange? | 33 |
| One involved in class action? | 29 |
| One involved in bowling balls | 29 |
| One involved in batting | 23 |
| One involved in a pickup | 24 |
| One involved in a faceoff | 25 |
| One involved in a face-off | 26 |
| One invoked during a drought | 28 |
| One invoked against snakes, for short | 37 |
| One invested in ministry | 24 |
| One into the bar scene?: Abbr. | 30 |
| One into pain management? | 25 |
| One into collecting | 19 |
| One intimately involved with the spirit world? | 46 |
| One interrogated | 16 |
| One interpreting lines | 22 |
| One interpreted by an augur | 27 |
| One interning | 13 |
| One interested in spreads | 25 |
| One interested in possessions | 29 |
| One interested in net savings? | 30 |
| One interested in interest | 26 |
| One interested in current affairs? | 34 |
| One intentionally not present | 29 |
| One instrumental in music history? | 34 |
| One instrumental in history? | 28 |
| One instructed | 14 |
| One inspiring love of poetry? | 29 |
| One inspired by Terpsichore | 27 |
| One inspired by Erato | 21 |
| One inspired by Calliope | 24 |
| One insistent on perfection | 27 |
| One inside another | 18 |
| One inning? | 11 |
| One initiating a call | 21 |
| One industry above the rest? | 28 |
| One inclined to fight | 21 |
| One incapacitated by stress | 27 |
| One incapable of functioning, slangily | 38 |
| One in ___ (20%) | 16 |
| One in with the out-crowd | 25 |
| One in whiteface, maybe | 23 |
| One in Weimar | 13 |
| One in want | 11 |
| One in Venice | 13 |
| One in twenty-one | 17 |
| One in training? | 16 |
| One in training pants | 21 |
| One in training | 15 |
| One in top hat and tails | 24 |
| One in the woods, so they say | 29 |
| One in the woods | 16 |
| One in the womb with you | 24 |
| One in the weasel family | 24 |
| One in the viper family | 23 |
| One in the TV biz | 17 |
| One in the store business | 25 |
| One in the stock market? | 24 |
| One in the stands | 17 |
| One in the standings | 20 |
| One in the spirit world? | 24 |
| One in the social whirl | 23 |
| One in the service? | 19 |
| One in the sac | 14 |
| One in the running | 18 |
| One in the red | 14 |
| One in the Rat Pack | 19 |
| One in the public eye | 21 |
| One in the pool | 15 |
| One in the pole position? | 25 |
| One in the plus column | 22 |
| One in the neighboring cubicle, perhaps | 39 |
| One in the Navy | 15 |
| One in the minority | 19 |
| One in the middle of a fight | 28 |
| One in the majority? | 20 |
| One in the legislative biz | 26 |
| One in the left lane, typically | 31 |
| One in the lead | 15 |
| One in the know | 15 |
| One in the kiddie pool | 22 |
| One in the Kennedy crowd | 24 |
| One in the jug | 14 |
| One in the infield | 18 |
| One in the infantry | 19 |
| One in the hole | 15 |
| One in the heat | 15 |
| One in the hand? | 16 |
| One in the hand | 15 |
| One in the habit of wearing a habit | 35 |
| One in the gleaning business | 28 |
| One in the game | 15 |
| One in the futures market? | 26 |
| One in the frontier, perhaps | 28 |
| One in the first generation | 27 |
| One in the first family | 23 |
| One in the fast lane? | 21 |
| One in the fast lane | 20 |
| One in the fare trade | 21 |
| One in the family, informally | 29 |