WordNet

the trait of lacking restraint or control; reckless freedom from inhibition or worry; "she danced with abandon" (同)wantonness, unconstraint
forsake, leave behind; "We abandoned the old car in the empty parking lot"
leave someone who needs or counts on you; leave in the lurch; "The mother deserted her children" (同)forsake, desolate, desert
give up with the intent of never claiming again; "Abandon your life to God"; "She gave up her children to her ex-husband when she moved to Tahiti"; "We gave the drowning victim up for dead" (同)give_up
stop maintaining or insisting on; of ideas or claims; "He abandoned the thought of asking for her hand in marriage"; "Both sides have to give up some claims in these negotiations" (同)give_up
leave behind; "the students deserted the campus after the end of exam period"
arid land with little or no vegetation

PrepTutorEJDIC

〈車・船・家など〉'を'『捨て去る』,見捨てて去る(leave behind) / 〈希望・計画など〉'を'『断念する』;〈習慣など〉'を'『やめる』 / 勝手気まま,放縦
『砂ばく』,荒れ地,乾ききった不毛の土地 / 『住む人のない』 / 『砂ばくの』,不毛の
〈人・地位・場所など〉‘を'『見捨てる』,放棄する / (軍人・船員が)〈軍務・持ち場など〉‘から'逃げる,脱走する / (勇気・自信・希望などが)〈人〉‘から'抜け去る,なくなる / 〈軍人などが〉(…から)脱走する《+『from』+『名』(do『ing』)》;(…に)投降する《+『to』+『名』(do『ing』)》
[複数形で] 当然の報い，相応の賞[罰] ・当然受けるべき賞(罰)