| On-line help topics, for short | 30 |
| On-line guffaw | 14 |
| On-line group | 13 |
| On-line gasp | 12 |
| On-line forum precursor | 23 |
| On-line financial corp. | 23 |
| On-line filter target | 21 |
| On-line feature | 15 |
| On-line exchanges, briefly | 26 |
| On-line discussion | 18 |
| On-line correspondence | 22 |
| On-line convenience | 19 |
| On-line community manager | 25 |
| On-line commerce | 16 |
| On-line columnist Drudge | 24 |
| On-line classifieds site | 24 |
| On-line class, pehaps | 21 |
| On-line chuckle | 15 |
| On-line chortle | 15 |
| On-line chat components, for short | 34 |
| On-line cachinnation | 20 |
| On-line businessmen | 19 |
| On-line businesses, collectively | 32 |
| On-line business | 16 |
| On-line brokerage firm | 22 |
| On-line brokerage | 17 |
| On-line bread | 13 |
| On-line auctioneer | 18 |
| On-line auction site | 20 |
| On-line auction house | 21 |
| On-line answer pages | 20 |
| On-line aid for shoppers' stops | 35 |
| On-line activity | 16 |
| On-line 'zine | 17 |
| On-hand items? | 14 |
| On-hand accessory | 17 |
| On-envelope abbr. | 17 |
| On-dit | 6 |
| On-demand viewing | 17 |
| On-demand video website | 23 |
| On-demand spa service? | 22 |
| On-demand flier | 15 |
| On-deck men | 11 |
| On-deck circle? | 15 |
| On-course org.? | 15 |
| On-campus recruits | 18 |
| On-campus mil. group | 20 |
| On-campus housing | 17 |
| On-camera audition | 18 |
| On-call paramedic | 17 |
| On-call gizmos | 14 |
| On-call doctors' devices | 28 |
| On-call accessory | 17 |
| On-bulb, symbolically | 21 |
| On-board shout | 14 |
| On-board prognostication device? | 32 |
| On-board prison | 15 |
| On-board greeting | 17 |
| On-board assent | 15 |
| On-base percentage, e.g. | 24 |
| On-base percentage and others | 29 |
| On-base pct., e.g. | 18 |
| On-air preacher | 15 |
| On-air performers, in TV advertising | 36 |
| On-air performers, in the biz | 29 |
| On-air hobbyists? | 17 |
| On-air fundraiser | 17 |
| On-air boner | 12 |
| On-again-off-again | 18 |
| On-again, off-again | 19 |
| On-again off-again fast food sandwich that has been on two "retirement tours" | 87 |
| On-a-chair shriek | 17 |
| On- and off-road | 16 |
| On, old style | 13 |
| On, maybe | 9 |
| On, in Paris | 12 |
| On, in Osnabrück | 19 |
| On, in Orléans | 17 |
| On, in French place names | 25 |
| On, in a way | 12 |
| On, en francais | 15 |
| On, at or from | 14 |
| On, as the train | 16 |
| On, as medication | 17 |
| On, as a plane | 14 |
| On, as a lamp | 13 |
| On, as a kerosene lamp | 22 |
| On's counterpart | 20 |
| On _____ with (equal to) | 24 |
| On _____ with | 13 |
| On _____ of (representing) | 26 |
| On _____ boat to China | 22 |
| On _____ (when wanted) | 22 |
| On _____ (theoretically) | 24 |
| On _____ (freelancer's terms) | 33 |
| On _____ (doing well) | 21 |
| On _____ (counting calories) | 28 |
| On _____ (binging) | 18 |
| On ____: with no assurance of sale | 34 |
| On ____: red hot | 16 |