Meanings (ES + gloss)
inmaduro • verde
Of a young bird, or (part of) its body: having not developed feathers yet; featherless, unfledged; hence, of other animals or their bodies: having no fur or hair; furless, hairless, unfurred.
Those three young men are particularly callow youths.
Try to remember the kind of September / When you were a tender and callow fellow / Try to remember and if you remember / Then follow
Word forms