How to Use immature in a Sentence

immature

adjective
  • The flock included both adult and immature birds.
  • His teachers have complained about his immature behavior.
  • These are the immature stages of small brown moths.
    — Tom MacCubbin, The Orlando Sentinel, 27 June 2026
  • Their immature lungs are not ready for life outside the womb.
    — Bryant Furlow, ProPublica, 5 Apr. 2021
  • The more immature the flower, the longer the plant should last.
    — Jeff Lowenfels, Anchorage Daily News, 25 Nov. 2021
  • Abby’s blood was packed with immature blood cells called blasts.
    — Brenda Goodman, CNN, 29 Dec. 2022
  • When the eggs hatch, the immature stages start feeding.
    — Arricca Elin Sansone, Southern Living, 5 Aug. 2025
  • When the eggs hatch, the immature stages start feeding.
    — Arricca Elin Sansone, Southern Living, 3 Mar. 2026
  • This means the immature stages are even smaller.
    — Tom MacCubbin, The Orlando Sentinel, 27 June 2026
  • The other boyfriend is new (six months), younger, and immature.
    — Dan Savage, Chicago Reader, 13 Dec. 2017
  • The immature or nymph stage is similar in shape but more red than adult bugs.
    — Arricca Elin Sansone, Southern Living, 23 Aug. 2025
  • The immature or nymph stage is similar in shape but more red than adult bugs.
    — Arricca Elin Sansone, Southern Living, 17 Oct. 2024
  • Edamame Edamame is the name for immature soybeans still in the pod.
    — Lauren Manaker, Verywell Health, 1 Aug. 2023
  • Both immature and adult thrips feed by scraping surface cells to suck plant sap.
    — Rita Perwich, San Diego Union-Tribune, 5 Apr. 2025
  • If present these are the immature stages of the hibiscus midge.
    — Tom MacCubbin, Orlando Sentinel, 13 July 2024
  • But, easy is also cheap and immature, and perhaps the whole thing is not that deep.
    — Michelle Santiago Cortés, refinery29.com, 26 June 2021
  • This doesn’t sound like their mess to clean up, and just sounds a bit immature/entitled.
    — Latoya Gayle, People.com, 26 Apr. 2025
  • On top of that, the immature grubs chew through grass roots and create dead patches in your lawn.
    — Brandee Gruener, Southern Living, 7 May 2026
  • The torn look to the leaves may have to do with frost damage to yet immature leaves, not to a disease.
    — oregonlive, 19 Oct. 2019
  • This is really a way to tell the story from a much more immature point of view.
    — Joe Lynch, Billboard, 26 Jan. 2026
  • The phases are based on the number of immature myeloid cells in the blood and bone marrow.
    — Doru Paul, Health, 10 Jan. 2025
  • Our challenge is to get the immature plant mature enough to get through summer.
    — Brandee Gruener, Southern Living, 27 Sep. 2025
  • This method will not work the same way on a hard, immature avocado.
    — Olivia McIntosh, Martha Stewart, 2 June 2026
  • Rooney was naive and immature, but England had of course been cheated.
    — SI.com, 1 June 2018
  • On the palate, this is clearly a younger whiskey, but not immature exactly.
    — Jonah Flicker, Robb Report, 11 Feb. 2022
  • Move over manchildren, there are some women who would like to take your immature crown.
    — Kelly Lawler, USA Today, 30 Oct. 2025
  • The specks are immature scale insects called crawlers — the only life stage at which the insects move.
    — Tim Johnson, Chicago Tribune, 6 Apr. 2025
  • But there's part of Tony that was deeply insecure and immature, frankly.
    — Leah Greenblatt, EW.com, 16 July 2021
  • Edamame Edamame are immature soybeans that are rich in protein.
    — Jillian Kubala, Health, 15 Jan. 2026
  • Edamame are young, immature soybeans.
    — Amy Brownstein, Verywell Health, 26 June 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'immature.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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