Abandoned
Part of speech: verb
Definition: To give up or relinquish control of, to surrender or to give oneself over, or to yield to one's emotions.
Part of speech: adjective
Definition: Forsaken, deserted. Self-abandoned, or given up to vice; extremely wicked, or sinning without restraint; irreclaimably wicked ; as, an abandoned villain.
Example sentence: After the Berlin Wall came down I visited that city and I will never forget it. The abandoned checkpoints. The sense of excitement about the future. The knowledge that a great continent was coming together. Healing those wounds of our history is the central story of the European Union.
Derelict
Part of speech: adjective
Definition: Abandoned, forsaken; (of ship) abandoned at sea; dilapidated, neglected.Negligent in performing a duty.
Part of speech: noun
Definition: Abandoned property; a ship abandoned at sea.An abandoned or forsaken person; an outcast.A negligent person.
Example sentence: I have such an extreme attitude about work, where I can just completely be derelict of my responsibilities and then when I am not derelict, I am completely indulged in it. I swing pretty wildly from the two extremes.