- the act of putting or sinking something below the surface of water or any other enveloping medium, or the resulting state: This is a record for deepest submergence by a piloted vessel in Indian waters.
- the act of overflowing and completely covering something with water, or the resulting state: Indonesia's coastal areas face the threat of flooding or even submergence due to rises in sea level.
- the act of burying or suppressing something, or the state of being buried or suppressed: The army survives by enormous personal effort and submergence of the individual will for the collective welfare.
