A euphemism substitutes a milder expression for one that would land harder — passed away for died, let go for fired, collateral damage for civilians killed. The referent does not change. Only the reader's proximity to it does.
Euphemism is the most socially necessary device in this library and the most frequently abused.
The euphemisms of employment are the clearest case: a company does not sack people, it rightsizes, restructures, or lets them go. Each phrase removes an agent, an action, or both. Nobody did anything to anyone; something simply occurred.
Euphemisms decay. A substitute that softens a subject eventually absorbs the subject's associations and needs replacing, which is why this vocabulary turns over so quickly.
Euphemism serves two completely different purposes with identical mechanics, and distinguishing them is the whole of reading one well. The first is kindness: “passed away” exists because the direct word is hard to say to someone grieving, and softening it costs nothing because everyone involved knows exactly what happened.
The second is distance. A euphemism that obscures agency — who did what to whom — is not protecting the listener's feelings but the speaker's position. “Mistakes were made” is the canonical example, a sentence constructed specifically so that no one made them.
The useful test is whether the euphemism survives translation back. Restate the sentence with the direct word and see what changes. If only the tone shifts, the device was doing social work. If a person appears who was not there before — someone who decided, acted, or was harmed — then the euphemism was not softening the subject but hiding part of it.
