Sentence:  Back at the Factory-to-You with the other old maids , back there she was the youngest clerk and she was thirty-four , which made her <WSD>young</WSD> enough to resent the usual ideal working conditions , like the unventilated toilet with the door you had to hold shut while you sat down . 
Meaning of the word marked with <WSD> tags:  (used of living things especially persons) in an early period of life or development or growth