D defs.my
Entry 1 sense Webster, 1913

Steadfastly

· Stead·fast·ly · IPA /ˈstɛdfæstli/
01 adv. In a steadfast manner; firmly.
  1. 1.
    In a steadfast manner; firmly.
    Steadfastly believe that whatever God has revealed is infallibly true.” — Wake.