For now, let me offer a short complaint about each of the above definitions. The tree outside my window doesn't move. A bacterium doesn't breathe. You can't make a list that includes every creature on earth. The ocean has a fantastic water-exchange cycle with the atmosphere.
Genetic definition Try defining evolution.
This is pretty vague. You can apply it to things fashion. Designs are often based on old designs, but they're selected for by the marketplace. This is better, for sure. The decay requirement prevents a fridge from being alive - a population of fridges, alone in a field, will not last much longer than it will take the average fridge to break.