Source : Webster's Revised Unabridged Dictionary (1913)

Compromit \Com"pro*mit`\, v. t. [imp. & p. p. {Compromitted}; p.
   pr. & vb. n. {Compromitting}.] [L. compromittere. See
   {Compromise}, n.]
   1. To pledge by some act or declaration; to promise. --State
      Trials (1529).

   2. To put to hazard, by some indiscretion; to endanger; to
      compromise; as, to compromit the honor or the safety of a
      nation.