Giant waves, also known as colossal waves, are massive oceanic swells that can be extremely dangerous for seafarers. Other synonyms for giant waves include monstrous waves, mammoth waves, and towering waves. These waves are often caused by extreme weather conditions such as hurricanes, typhoons, or even undersea earthquakes or volcanic eruptions. When they hit ships, they can cause serious damage, flip them over, or even sink them entirely. Mariners should always be prepared for the possible occurrence of giant waves by keeping their vessels well-maintained and having appropriate safety equipment on board. Despite their destructive potential, giant waves are awe-inspiring natural phenomena that are nothing short of spectacular to witness.