euphemistic

/ˌjuːfəˈmɪstɪk/
adjective
  1. Using or characterized by mild, indirect, or vague words in place of harsh, blunt, or offensive ones.
    • She gave a euphemistic description of the accident, saying the car was 'slightly damaged' when it was totaled.
    • In euphemistic language, the war was referred to as a 'police action.'
    • The company's euphemistic memo called layoffs a 'workforce optimization initiative.'
Antonyms