Why do we have to feel obliged to take offense at the whole word due to one slang definition.
Why should MEATPISTOL be a problem?
retard
1. to make slow; delay the development or progress of (an action, process, etc.); hinder or impede. verb (used without object)
2. to be delayed.
noun
3. a slowing down, diminution, or hindrance, as in a machine.
4. Slang: Disparaging and Offensive. a contemptuous term used to refer to a person who is cognitively impaired.
a person who is stupid, obtuse, or ineffective in some way: a hopeless social retard.
5. Automotive, Machinery. an adjustment made in the setting of the distributor of an internal-combustion engine so that the spark for ignition in each cylinder is generated later in the cycle.
Seriously, there is a balance to be had. People who went through traumatic events are often offered therapy precisely because you can't reasonably expect the entire world to guess and remove every single thing that can trigger someone's hurtful memories.
I'm so used to hearing without any conceit that antibacterial mouthwashes can retard bacterial growth.