* Position: Something located underneath or below another thing.
* Degree: Something that is less than, or a smaller version of something else.
* Secondary: Something that is subordinate or lower in rank.
Here are some examples of words with the prefix "sub":
* Submarine: A vessel that travels underwater.
* Subterranean: Located beneath the surface of the earth.
* Subordinate: Lower in rank or position.
* Substandard: Below the usual or acceptable standard.
* Subdivide: To divide something into smaller parts.
The prefix "sub" can also be combined with other prefixes to create new words. For example:
* Subconscious: Beneath the level of consciousness.
* Subliminal: Below the threshold of conscious perception.
In some cases, the meaning of "sub" can be slightly nuanced. For example, in the word "suburb," it indicates an area located on the outskirts of a city, rather than literally beneath it. However, the underlying meaning of "lower" or "less than" is still present.