Definition of immature in English:



  • 1Not fully developed.

    ‘many of the fish caught are immature’
    ‘immature fruit’
    • ‘For example, experiments conducted with tomato indicate that immature fruits do not ripen in response to exogenous ethylene.’
    • ‘They are either feasting on escapes of immature farmed fish or on the uneaten feed pellets that accumulate in the water below the cages.’
    • ‘Safety considerations are more important in children because children are physically and emotionally immature.’
    • ‘I discovered three of them eating the immature fruits in the tree's spreading crown.’
    • ‘They hunt for food at night, live alone and are sometimes found in small groups of adults with immature offspring.’
    • ‘Because this is kind of what an immature Bald Eagle would look like if you're looking at one.’
    • ‘In that eggplant does not experience a marked ripening stage like tomato and pepper, immature and mature fruit were compared.’
    • ‘The reticulocyte count measures the number of immature red blood cells being produced.’
    • ‘My only explanation if there wasn't a mix-up is that immature birds have much shorter beaks than their parents.’
    • ‘I ate my first immature pea pod of the year, straight off the plant.’
    • ‘The ovule is an immature seed, which does not yet contain a viable embryo.’
    • ‘Our results suggest that immature birds try to increase fat stores by increasing time available for foraging at stopover sites.’
    • ‘The mottled brown raptors I saw on the sixth are indeed immature Brahminy Kites.’
    • ‘Sexually immature and drab colored juveniles represent the first phase.’
    • ‘Some of the solo voices are a bit immature but the choral singing does immense credit to the conductor and his young team.’
    • ‘Among immature males, those obtained from the wild also clustered together.’
    • ‘The fruit looks like immature plums, and each variety has its own harvesting schedule.’
    • ‘Seeds were harvested at 40 days after flowering and immature seeds were removed.’
    • ‘The olives, having done pretty well last year, have shed all their immature fruit.’
    • ‘Drugs that are effective against the immature and early immature stages should be used at this time of the year.’
    unripe, not ripe, not mature, not matured, unmellowed
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    1. 1.1Having or showing emotional or intellectual development appropriate to someone younger.
      ‘his immature sense of humor’
      • ‘All the guys were immature or just plain weird.’
      • ‘Going out with someone is a big deal and I find that a bit immature.’
      • ‘Callie knew she was acting a little immature, but she didn't care.’
      • ‘Pardon me for saying this, but people who talk like that strike me as horribly immature.’
      • ‘When I read back over this opinion I realise how immature I was then.’
      • ‘I think this woman sounds extremely naive, immature and unintelligent on the matter.’
      • ‘Some lecturers say the students are immature, unsophisticated and do not know what they want in class.’
      • ‘I could hear people calling me immature but I never cared.’
      • ‘He's still a bit immature, but also just 20 years old.’
      • ‘The boys you know seem particularly immature for treating you like you're inferior.’
      • ‘He is annoying and a bit immature for his age, but that's okay.’
      • ‘Then again I did ask for it I called someone an emotionally immature moron.’
      • ‘Thirdly, there is no need to engage in childish name calling or immature ranting.’
      • ‘I think that maybe you might be more mature than the boys you know and you just don't like immature guys.’
      • ‘We had been reassured by professionals he was just immature, so we expected him to gain employment and become independent.’
      • ‘No matter how mature or immature I was at any given point, it would not have shaken that belief.’
      • ‘She had her immature, childish moments, but there were times when she acted twice her age.’
      • ‘But, my evaluation of her was that she was rather immature and seeking attention.’
      • ‘If you think finance dictates social dynamics then you are immature and naive.’
      • ‘To do otherwise would be as childish and immature as my behaviour in the first place.’
      childish, babyish, infantile, juvenile, puerile, jejune, callow, green, inexperienced, unsophisticated, unworldly, naive, ingenuous
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Mid 16th century (in the sense premature referring to death): from Latin immaturus untimely, unripe from in- not + maturus ripe (see mature).