evic·tion /i-'vik-shən/ n: the dispossession of a tenant of leased property by force or esp. by legal process
actual eviction: eviction that involves the physical expulsion of a tenant
constructive eviction: eviction effected by substantially interfering with a tenant's enjoyment of the property (as by allowing the property to become uninhabitable) so that the tenant is regarded as evicted under law
re·tal·ia·to·ry eviction: wrongful eviction of a tenant in reaction to the tenant's exercising of a right (as of reporting health code violations) contrary to the landlord's interest
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.