Subluminal refers to a speed that is slower than the speed of light, but what would be the opposite of that? The antonym for subluminal would be superluminal, which means moving faster than the speed of light. In physics, superluminal speed is not considered possible, but it is still used in many science fiction stories. Other antonyms for subluminal could be fast, speedy, quick, or rapid. These all refer to movement that is faster than average or expected, but still fall within the bounds of natural physics laws. Whatever the antonym, it is important to remember that speed is relative, and what may be considered fast in one context may not be in another.

What are the antonyms for Subluminal?

• Other relevant words:

• Other relevant words (noun):
• superluminal
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