Define and make a sentence: Disappointing
Define: Not in the position of hope/expectations. Sentence: 2K was really disappointing.
Define and make a sentence: Disappear
Define: Not here, not appearing. Sentence: When I was in the closet and someone opened the closet door, I disappeared.
Define and make a sentence: Dishonest
Define: Not honest. Sentence: This person was dishonest to me.