Physical Height:
* Low: This is the most direct opposite when referring to height.
* Short: Similar to low, but often implies a more definite lack of height.
* Dwarfed: This implies being significantly smaller than something else.
* Ground-level: This emphasizes the lack of elevation.
Figurative Meaning:
* Humble: This refers to a lack of arrogance or pride, often associated with a lack of towering stature.
* Submissive: This implies a lack of dominance or power, which can be the opposite of a towering presence.
* Insignificant: This implies a lack of importance or influence, which contrasts with a towering figure's impact.
Other Possibilities:
* Receding: This implies a gradual decrease in height or size.
* Shrinking: This implies a sudden decrease in size.
* Flat: This can refer to a lack of height or a lack of prominence.
To choose the best opposite, consider the context and the specific meaning you want to convey.