Final answer:
The synonym for a paddle that should not be ventured up the creek without is an oar. It is a long pole with a flat blade at one end used for steering a boat through the water.
Step-by-step explanation:
The synonym for a paddle that should not be ventured up the creek without is an oar. An oar is a long pole with a flat blade at one end that is used for propelling and steering a boat through the water. It is an essential tool for navigating a creek or any body of water.
In the given passages, the use of oars is mentioned as a means of steering the boat and keeping it afloat in the water. The oarsman in the boat uses the oars to keep the boat on course and avoid being overwhelmed by the waves. Overall, the use of oars is depicted as crucial for survival in the water.