to decline to accept (something offered): to refuse an award.
2.
to decline to give; deny (a request, demand, etc.): to refuse permission.
3.
to express a determination not to (do something): to refuse to discuss the question.
4.
to decline to submit to.
5.
(of a horse) to decline to leap over (a barrier).
6.
to decline to accept (a suitor) in marriage.
7.
Military. to bend or curve back (the flank units of a military force) so that they face generally to the flank rather than the front.
8.
Obsolete. to renounce.
–verb (used without object)
9.
to decline acceptance, consent, or compliance.
Origin: 1300–50; ME refusen < MF refuser, OF ≪ L refūsus, ptp. of refundere to pour back; see refund1
Related forms:
re⋅fus⋅a⋅ble, adjective
re⋅fus⋅er, noun
Synonyms: 1.rebuff. Refuse,decline,reject,spurn all imply nonacceptance of something. To decline is milder and more courteous than to refuse, which is direct and often emphatic in expressing determination not to accept what is offered or proposed: to refuse a bribe; to decline an invitation. To reject is even more positive and definite than refuse: to reject a suitor. To spurn is to reject with scorn: to spurn a bribe.
re·fuse 1 (rĭ-fyōōz') v.
re·fused, re·fus·ing, re·fus·es
v.
tr.
To indicate unwillingness to do, accept, give, or allow: She was refused admittance. He refused treatment.
To indicate unwillingness (to do something): refused to leave.
To decline to jump (an obstacle). Used of a horse.
v.
intr. To decline to do, accept, give, or allow something.
[Middle English refusen, from Old French refuser, from Vulgar Latin *refūsāre, probably blend of Latin recūsāre, to refuse; see recuse and Latin refūtāre, refute; see refute.] re·fus'er n.
Synonyms: These verbs all mean to be unwilling to accept, consider, or receive someone or something. Refuse usually implies determination and often brusqueness: "The commander . . . refused to discuss questions of right" (George Bancroft). "I'll make him an offer he can't refuse" (Mario Puzo). To decline is to refuse courteously: "I declined election to the National Institute of Arts and Letters . . . and now I must decline the Pulitzer Prize" (Sinclair Lewis). Reject suggests the discarding of someone or something as defective or useless; it implies categoric refusal: "He again offered himself for enlistment and was again rejected" (Arthur S.M. Hutchinson). To spurn is to reject scornfully or contemptuously: "The more she spurns my love,/The more it grows" ( Shakespeare). Rebuff pertains to blunt, often disdainful rejection: "He had . . . gone too far in his advances, and had been rebuffed" (Robert Louis Stevenson).
[ri-fyooz] 
verb, -fused, -fus⋅ing.