| Old indoor light source | 23 |
| Old infantry soldier | 20 |
| Old infantry soldier armed with a spear | 39 |
| Old infantry spears | 19 |
| Old info | 8 |
| Old infomercial brand | 21 |
| Old information? | 16 |
| Old inits. in tele-communications | 33 |
| Old inits. in telecommunication | 31 |
| Old inits. in telecommunications | 32 |
| Old innkeeper | 13 |
| Old insecticide | 15 |
| Old Insomnium song, with "The"? | 41 |
| Old instrument | 14 |
| Old instrument for removing tonsils | 35 |
| Old instrument of punishment | 28 |
| Old instrument of torture, briefly | 34 |
| Old instrument that's strummed | 34 |
| Old insulating mat'l. | 25 |
| Old intelligence agcy. | 22 |
| Old intelligence gp. | 20 |
| Old intelligence org. | 21 |
| Old Intellivision competitor | 28 |
| Old Intellivision rival | 23 |
| Old intoxicating elixirs | 24 |
| Old intro to "long" or "now" | 48 |
| Old iPod Nano capacity | 22 |
| Old Iran | 8 |
| Old Iranian leader | 18 |
| Old Iranian leaders | 19 |
| Old Iranian monarchs | 20 |
| Old Iranian ruler | 17 |
| Old Iranian rulers | 18 |
| Old Iranian VIP | 15 |
| Old Irish | 9 |
| Old Irish alphabet | 18 |
| Old Irish alphabet system | 25 |
| Old Irish alphabet: Var. | 24 |
| Old Irish alphabetic system | 27 |
| Old Irish capital | 17 |
| Old Irish dagger | 16 |
| Old Irish daggers | 17 |
| Old Irish fort | 14 |
| Old Irish frock | 15 |
| Old Irish garment | 17 |
| Old Irish hunting knife | 23 |
| Old Irish letters | 17 |
| Old Irish levies | 16 |
| Old Irish oath | 14 |
| Old Irish script | 16 |
| Old Irish soc. | 14 |
| Old Irish stronghold | 20 |
| Old Irish tenant | 16 |
| Old Irish tongue | 16 |
| Old Irish tongue: Var. | 22 |
| Old Irish war cry | 17 |
| Old Irish writing | 17 |
| Old Ironsides | 13 |
| Old Isle of Wight settlers | 26 |
| Old Italian | 11 |
| Old Italian bagpipes | 20 |
| Old Italian bread | 17 |
| Old Italian bread? | 18 |
| Old Italian cabbage? | 20 |
| Old Italian capital | 19 |
| Old Italian coin | 16 |
| Old Italian coins | 17 |
| Old Italian coppers | 19 |
| Old Italian currency | 20 |
| Old Italian currency unit | 25 |
| Old Italian dough | 17 |
| Old Italian family name | 23 |
| Old Italian goddess of health | 29 |
| Old Italian loot | 16 |
| Old Italian magistrate | 22 |
| Old Italian measure | 19 |
| Old Italian monetary units | 26 |
| Old Italian money | 17 |
| Old Italian noble family | 24 |
| Old Italian orchard goddess | 27 |
| Old Italian port | 16 |
| Old Italian region also known as Tyrrhenia | 42 |
| Old Italian ruling house | 24 |
| Old Italian strongbox | 21 |
| Old Italian unit | 16 |
| Old items | 9 |
| Old items which were one-sided and only held 110KB | 50 |
| Old J.F.K. arrival | 18 |
| Old J.F.K. lander | 17 |
| Old J.F.K. sight | 16 |
| Old Jackie Gleason variety show | 31 |
| Old jalopies | 12 |
| Old jalopy | 10 |
| Old Japanese assassin | 21 |
| Old Japanese capital | 20 |
| Old Japanese cars | 17 |
| Old Japanese city name | 22 |
| Old Japanese coin | 17 |
| Old Japanese gold coin | 22 |
| Old Japanese mercenary | 22 |