definite

 
Pronunciation: /ˈdɛfɪnɪt/

adjective

  • clearly stated or decided; not vague or doubtful: we had no definite plans
  • clearly true or real; unambiguous: no definite proof has emerged
  • [predic.] (of a person) certain or sure about something: you’re very definite about that!
  • clear or undeniable (used for emphasis): under the circumstances, air conditioning is a definite asset
  • having exact and discernible physical limits or form: organizations have boundaries in the sense that they may occupy a definite geographical area

Derivatives

definiteness

noun

Origin:

mid 16th century: from Latin definitus 'defined, set within limits', past participle of definire (see define)

For an explanation of the difference between definite and definitive, see definitive (usage).