The phrase "abandon out" can be substituted with various synonyms to express the act of leaving or abandoning someone or something. The phrase "forsake" can be used to convey a sense of desertion or betrayal, while "give up on" suggests a decision to stop trying or lose hope. "Abdicate" and "relinquish" both imply the relinquishing of power or control, while "discard" and "jettison" indicate a deliberate and perhaps necessary disposal of something. "Walk away from" and "leave behind" both connote a physical departure, while "disown" suggests a severing of ties or disavowal of responsibility. In summary, there are many words that convey the meaning of "abandon out" and choosing the right one depends on the intended connotation.