| Acronym | Definition |
|---|
| EX | Example |
| EX | Ex-wife/husband/partner |
| EX | Extra |
| EX | Express |
| EX | Exchange |
| EX | Excellent |
| EX | Executive |
| EX | Exercise |
| EX | Expert |
| EX | Extension |
| EX | Export |
| EX | Except(ed)/Exception |
| EX | Executive Office |
| EX | Excess |
| EX | Exhibit (court documents) |
| EX | Experimental |
| EX | Exceed |
| EX | Existing (drafting and design) |
| EX | Exodus |
| EX | Exempt |
| EX | Execute (IBM) |
| EX | Execute(d) |
| EX | Excursion |
| EX | Explosion Protected (safety rating applicable to equipment & hazardous areas) |
| EX | Exeter (postal code for Exeter, England) |
| EX | Extinct (IUCN Red List of Threatened Species category) |
| EX | Executor (IRB) |
| EX | Exponential (n!) |
| EX | Executive Class (various companies) |
| EX | Exchange Online Store (AAFES) |
| EX | Examination/Examine(d)/Examiner |
| EX | Exclude/Excluding/Exclusive |
| EX | Executive-Level Appointment |
| EX | Aerolineas Santo Domingo, SA - Dominican Republic (IATA airline code) |