| adroitement | gekonnt |
| adrénaline | Adrenalin |
| AdSense | Google AdSense |
| adsorber | adsorbieren |
| adsorption | Adsorption |
| Adstrat | Adstrat |
| adulaire | Mondstein |
| adulateur | Schmeichler |
| adulation | Kriecherei |
| adulation de soi-même | Ichbezogenheit |
| adulatrice | Schmeichler |
| Adulescence | Kidult |
| adulte | ausgewachsen |
| adultère | Ehebrecher |
| Adultèrin | Ehebruch |
| Adultérant | Verfaelschend |
| Advaita vedanta | Advaita Vedanta |
| Advance Australia Fair | Advance Australia Fair |
| Advanced Access Content System | Advanced Access Content System |
| Advanced Audio Coding | Advanced Audio Coding |
| Advanced Boolean Expression Language | Advanced Boolean Equation Language |
| Advanced Configuration and Power Interface | Advanced Configuration and Power Interface |
| Advanced Host Controller Interface | Advanced Host Controller Interface |
| Advanced Linux Sound Architecture | Advanced Linux Sound Architecture |
| Advanced Micro Devices | AMD |
| Advanced Packaging Tool | Advanced Packaging Tool |
| Advanced passenger train | Advanced Passenger Train |
| Advanced Power Management | Advanced Power Management |
| Advanced RISC Machines | ARM Limited |
| Advanced Streaming Format | Advanced Streaming Format |
| Advanced Technology Extended | ATX-Format |
| Advanced Television Systems Committee | Advanced Television Systems Committee |
| Advaïta védanta | Advaita Vedanta |
| advenir | geschehen |
| adventice | Unkraut |
| Adventisme | Siebenten-Tags-Adventisten |
| adventiste | Adventist |
| Adventures of Sweet Gwendoline | Sweet Gwendoline |
| adverbe | Adverb |
| adverbe de lieu | Lokaladverb |
| adverbe de manière | Modaladverb |
