Euphemisms are mild and indirect words or phrases used to substitute for harsh, unpleasant, or offensive ones. They are employed to make something sound less negative or taboo.
Related terms
Doublespeak: The deliberate use of ambiguous or misleading language to deceive or manipulate.
Innuendo: An indirect or subtle suggestion, often with negative connotations.
Dysphemism: The use of harsh, blunt, or offensive language in place of more neutral alternatives.