Meaning

• (grammar) A word or phrase that designates a specified or identified person or entity.

• Anything that is defined or determined.

Meaning

• Having distinct limits.

  "definite dimensions; a definite measure; a definite period or interval"

• Free from any doubt.

  "definite knowledge"

• Determined; resolved; decided.

• Designating an identified or immediately identifiable person or thing, or group of persons or things

  "the definite article"