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.