| old | alt |
| Old Acquaintance | In Freundschaft verbunden |
| old age | Alter |
| old age exemption | Altersfreibetrag |
| old age insurance | Pensionsversicherung |
| old age pensioner | Rentner |
| old age poverty | Altersarmut |
| Old Akkadian | altakkadisch |
| Old and New | Die Generallinie |
| old apartment | Altbauwohnung |
| old as the hills | steinalt |
| Old Azari language | Altaserbaidschanische Sprache |
| old bachelor | Hagestolz |
| old bag | Besen |
| Old Bailey | Old Bailey |
| old banger | alte Kutsche |
| Old Bavaria | Altbayern |
| old beater | alte Kutsche |
| old before one's time | schwächer, als das Lebensalter vermuten ließe |
| Old Believers | Altorthodoxe |
| old beyond one's years | reifer, als in dem Alter üblich |
| old biddy | Oma |
| Old Bill | Bullerei |
| old book | altes Buch |
| old boot | alte Eule |
| Old Boy | Oldboy |
| old boy network | Seilschaft |
| old boy next door | Alte von nebenan |
| Old boy! | Alter Junge! |
| old boy's network | Seilschaft |
| Old Boyfriends | Diane |
| Old Bridge | Old Bridge |
| old building | Altbau |
| old buildings | Altbauten |
| old bull | Platzhirsch |
| old Byzantine | altbyzantinisch |
| old campaigner | alte Kämpe |
| old car | Altauto |
| Old Castle | Altes Schloss |
| Old Cathedral | der Alte Dom |
| Old Catholic | altkatholisch |
| Old Catholic Church | Altkatholische Kirche |
| Old Catholic Church of the Netherlands | Altkatholische Kirche der Niederlande |
| Old Catholic Mission in France | Altkatholische Kirche |
| Old chap | Kamerad |
| old chestnut | alter Hut |
| Old Chinese | Altchinesische Sprache |
| Old Church Slavic | Altkirchenslawisch |
| Old Church Slavonic | Altkirchenslawisch |
| old citizens | Alten |
| Old City | Altstadt |
| Old City of Jerusalem | Altstadt |
| old clothes | alte Klamotten |
| old clothes collection | Kleidersammlung |
| old clothes collections | Altkleidersammlungen |
| old cock | alter Knabe |
| old codger | alter Knacker |
| old contract | Bestandsvertrag |
| old contracts | Bestandsverträge |
| Old conveyance | Vermögen |
| Old Coulsdon | Old Coulsdon |
| old course | altes Flussbett |
| Old Course at St Andrews | Old Course |
| Old crate | Kuckuck |
| old crocks | Altherrenmannschaft |
| old crone | Schrulle |
| old crow | alte Eule |
| Old Danish Pointer | Altdänischer Vorstehhund |
| old dear | Oma |
| old degree | Grad |
| old dodder | Tapergreis |
| old dodderer | Tattergreis |
| Old Doebern | Altdöbern |
| Old Dogs | Old Dogs - Daddy oder Deal |
| Old Dominion | Virginia |
| old duck | Oma |
| Old Dutch | Altniederländisch |
| Old Döbern | Altdöbern |
| Old East Slavic | Altostslawische Sprache |
| Old Egyptian | Altägyptische Sprache |
| Old English | gotisch |
| Old English language | Altenglische Sprache |
| Old English letter | Fraktura |
| Old English Sheepdog | Bobtail |
| Old Europe | altes Europa |
| Old European Script | Vinča-Schrift |
| Old Executive Office Building , OEOB | Old Executive Office Building , OEOB |
| Old Face | Alter Schnitt |
| old face type | Antiqua |
| Old Faithful Geyser | Old Faithful |
| old family friend | alte Freundin der Familie |
| old fashioned | altmodisch |
| Old fashioned glass | Tumbler |
| Old Father Christmas | Weihnachtsmann |
| old field clover | Hasenklee |
| Old Finland | Altfinnland |
| Old Firm | Old Firm |
| old flame | Jugendliebe |
| old flame never dies | Alte Liebe rostet nicht |
| old flat | Altbauwohnung |
| old fogey | Oma |
| old fogies | Altherrenmannschaft |
| old fogy | Opa |
| old folk's home | Altersheim |
| old folks' home | Altersheim |
| old fool | alter Esel |
| Old Ford | Old Ford |
| old fossil | alte Versteinerung |
| Old Frankish | Altfränkisch |
| Old French | altfranzösisch |
| old friend | alte Freundin |
| old friend of the family | alte Freundin Familie |
| Old Frisian | Altfriesisch |
| old frump | alte Vettel |
| old fucker | alter Ficker |
| old fustic | Fustikfarbe |
| old geezer | Faktotum |
| old German | altdeutsch |
| old German (period | deutsch |
| Old Germanic body of statute law | Sachsenspiegel |
| old girl | Tante |
| old goat | Gockel |
| old gold | Altgold |
| old grave | altes Grab |
| Old Great Bulgaria | Großbulgarisches Reich |
| Old Greek | altgriechisch |
| Old Gringo | Old Gringo |
| Old growth forest | Urwald |
| Old Gutnish | Gutnisch |
| Old habits die hard. | Der Mensch ist ein Gewohnheitstier. |
| old hag | alte Hexe |
| old hand | alter Hase |
| old hand at skiing | alter Skihase |
| Old Harbour | Old Harbour |
| old Harry | der Leibhaftige |
| old hat | aus der Mode |
| old hazardous site | Altlast |
| Old High German | althochdeutsch |
