as ‧ sas ‧ sin ‧ a ‧ tion /əˌsæsəˈneɪʃ ə n, əˌsæsɪˈneɪʃ ə n $ əˌsæs ə nˈeɪ-/ BrE AmE noun [uncountable and countable]
the act of murdering an important person
assassination of
the assassination of Anwar Sadat
He narrowly escaped an assassination attempt (=when someone tries but fails to kill someone else) .
⇨ character assassination at ↑ character (6)