Definition of "indefinite" in English

adjective

1. Without limit; forever, or until further notice; not definite.

   • Your account will be suspended for an indefinite period of time.

2. Vague or unclear.

   • She gave an indefinite answer which nobody really understood.

3. Undecided or uncertain.

   • I'm still indefinite about what I'm going to study at college.

4. (mathematics) Being an integral without specified limits.

   • Don't forget to m the +C when calculating indefinite integrals.

5. (linguistics) Designating an unspecified or unidentified person or thing or group of persons or things.

   • the indefinite article

noun

1. (grammar) A word or phrase that designates an unspecified or unidentified person or thing or group of persons or things.