Abandoned definition: forsaken or deserted.. See examples of ABANDONED used in a sentence. The meaning of ABANDONED is left without needed protection, care, or support. How to use abandoned in a sentence. The primary meaning of "abandoned" relates to the act of leaving something behind with no intention of returning or reclaiming it . This can apply to physical objects, like an abandoned building or vehicle, or to living beings, such as an abandoned child or animal. The meaning of ABANDON is to give up to the control or influence of another person or agent. How to use abandon in a sentence. Did you know? Synonym Discussion of Abandon .