euphemism
noun
the substitution of a mild, indirect, or vague expression for one thought to be offensive, harsh, or blunt.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They are euphemistical as to the weather, calling it hazy and soft, and never allowing themselves to carry bad language on such a subject beyond the word dull.
From Castle Richmond by Anthony Trollope