The offeror's act of revoking, or withdrawing, an offer is known as _________. Unless the offer is irrevocable, it can be revoked at any time before acceptance without liability. A rejection of an offer can be accomplished by words or actions that demonstrate a clear intent not to accept the offer and is not effective until received by the offeror or the offeror's agent. A counteroffer is a rejection of the original offer and the making of a new offer.