From Longman Dictionary of Contemporary Englishunripeun‧ripe /ˌʌnˈraɪp◂/ adjective HBPTACunripe fruit, grain etc is not fully developed or ready to be eaten
Examples from the Corpus
unripe• The cherries on the tree were still unripe.• Don't use unripe apples for making cider.• unripe bananas• What they call unripe fruit ...• Matriline coalitions also utilize secondary food sources such as leaves and unripe fruits and the species have digestive mechanisms for detoxifying the latter.• In the Old World, chimpanzees can deal with unripe fruits, breaking open tannin-rich mature fruits or eating unripe ones.• Black peppercorns are the unripe, green berries which have been allowed to dry and blacken in the sun after picking.• Green, or unripe, peppercorns are available both commercially dried and pickled in brine. 