D defs.my
Entry 1 sense Webster, 1913

Understate

/ŭn'-dẽrs-tātˌ/ · Un·der·state · IPA /ʌndəˈsteɪt/
01 v. t. To state or represent less strongly than may be done truthfully.
  1. 1.
    To state or represent less strongly than may be done truthfully.