What is the meaning of Obsessive?

Prone to cause obsession.

Having one thought or pursuing one activity to the absolute or nearly absolute exclusion of all others.

Excessive, as results from obsession.

A person who is obsessed, who has an obsession.

feminine singular of obsessif

inflection of obsessiv:

  1. strong/mixed nominative/accusative feminine singular
  2. strong nominative/accusative plural
  3. weak nominative all-gender singular
  4. weak accusative feminine/neuter singular

strong/mixed nominative/accusative feminine singular

strong nominative/accusative plural

weak nominative all-gender singular

weak accusative feminine/neuter singular

Source: wiktionary.org