Truce/truːs/ Definition 1 of 2Pro Tip 1/3Temporary Nature Emphasizes the short-term aspect and potential for renewal of conflict. The truce lasted just a week before clashes resumed. Pro Tip 2/3Mutual Agreement Both parties must agree to a truce; it cannot be one-sided. The warring factions are negotiating to reach a truce. Pro Tip 3/3Formal Declaration Truces are often formalized through a declaration or signing ceremony. Government and rebel leaders signed a truce amid celebrations.