retiring /ɹəˈtaɪ(ə)ɹɪŋ/adjective 1noun 1forms 1 adjective1 •introverted, liking privacy and seclusion.I don't really know him well, since he's so shy and retiring. noun1 •retirementOne day of those his retirings ^([sic]), giving out that he was sick, his father Antigonus came on the sudden to visit him, and met a fair dainty youth coming out of his chamber. — 1625 formsretirings