Definition of obsecrate in US English:

obsecrate

verb

rare
  • with object To entreat (a person) earnestly; to implore, beseech, supplicate; to beg (a thing).

Origin

Late 16th century. From classical Latin obsecrāt-, past participial stem of obsecrāre to beseech, entreat, implore from ob- + sacrāre to make sacred, hence lit. ‘to beseech in the name or for the sake of something sacred’.

Pronunciation

obsecrate

/ˈɒbsɪkreɪt/