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immature definition

im·ma·ture (im′ə to̵or′, -c̸ho̵or′, -tyo̵or′)

adjective

  1. not mature or ripe; not completely grown or developed
  2. not finished or perfected; incomplete
  3. lacking the emotional maturity, sense of responsibility, etc. characteristic of an adult
  4. Geol. worn down only slightly by erosion, as a land surface having steeply entrenched stream valleys that lack well-developed flood plains

Etymology: L immaturus

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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