1. Abolition; nullification.
Divine laws of christian church policy may not be altered by extinguishment.
2. Extinction; a putting an end to, or a coming to an end; termination; as the extinguishment of a race or tribe.
3. The putting an end to a right or estate, by consolidation or union.
If my tenant for life makes a lease to A for life, remainder to B and his heirs, and I release to A; this release operates as an extinguishment of my right to the reversion.