The Showing Register (TSR). likes · talking about this. TSR is for everyone who shows ridden & in hand horses & ponies from Hunters to Natives,.. . Short · Sadie, a recently engaged real estate agent feels trapped in her current relationship. Haunted by her troubled past, she begins to lead a double life in one of her show apartments. Define showing. showing synonyms, showing pronunciation, showing translation, English dictionary definition of showing. n. 1. The act of presenting or displaying. 2. Performance, as in a competition or test of skill: a poor showing. 3. A presentation of evidence, facts, or.