From Longman Dictionary of Contemporary Englishretiringre‧tir‧ing /rɪˈtaɪərɪŋ $ -ˈtaɪrɪŋ/ adjective 1 SHYsomeone who is retiring does not want to be with other people, especially people they do not know SYN shy As a child, Elizabeth was very shy and retiring.► see thesaurus at shy2 → the retiring president/manager/director etc
Examples from the Corpus
retiring• Librarians are normally thought of as being retiring.• If she would come for a few years, until she's retiring age.• In his report, the Chairman Reg Simmons thanked the retiring committee for all the work they had done.• Of an extremely retiring disposition, he did not take an active part in public affairs.From Longman Business Dictionaryretiringre‧tir‧ing /rɪˈtaɪərɪŋ-ˈtaɪrɪŋ/ adjective the retiring manager/president/chairman etc a manager etc who is about to leave their job, usually because they have reached the end of their working life 