Log-jam is a term used to describe a situation where there is a blockage or obstruction that hinders progress. It is commonly used to describe a traffic jam or a situation where there are too many obstacles that prevent smooth functioning. When faced with such a situation, it is important to have alternative words to describe it. Some synonyms for log-jam include gridlock, standstill, deadlock, impasse, bottleneck, congestion, and obstruction. These words can be effectively used to convey to others the nature of the problem and to come up with solutions to overcome it.