| old boy | (n) ู้ชายแก่, Syn. old man, Ant. young man |
| old boy | (n) นักเรียนเก่า, Syn. alumnus, Ant. old girl |
| old boy | (sl) คนแก่, Syn. old chap |
| old boy | (โอลด'บอย) n. เฒ่าทารก, คนแก่ที่ร่าเริงแจ่มใส |
| old boy | Something in his face really reminded me of an old boyfriend of mine. |
| old boy | (n) a familiar term of address for a man, Syn. old man |
| old boy | (n) a vivacious elderly man |
| old boy | (n) a former male pupil of a school |
| old boy network | (n) an exclusive informal network linking members of a social class or profession or organization in order to provide connections and information and favors (especially in business or politics), Example: professional women have developed an old boy network of their own |
| OB | [オービー, o-bi-] (n) (1) (See オールドボーイ) old boy; OB; (2) out-of-bounds [Add to Longdo] |
| オールドボーイ | [o-rudobo-i] (n) old boy [Add to Longdo] |
| 出身者 | [しゅっしんしゃ, shusshinsha] (n) (1) alumnus (alumnae); graduate; old boy (girl); (2) former member of an organization; (3) former inhabitant (country, region, etc.); (P) [Add to Longdo] |