See reject in Webster's New World Roget's A-Z Thesaurus II
verb
To be unwilling to accept, consider, or receive:
decline, dismiss, refuse, spurn, turn down. (Slang) nix. Idiom: turn thumbs down on. See acceptTo refuse to recognize or acknowledge:
deny, disacknowledge, disavow, disclaim, disown, renounce, repudiate. Idiom: turn one's back on. See accept
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