prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity; old (of people); venerable (person); experienced; of long standing; always; all the time; of the past; very; outdated; (of meat etc.) tough

teacher

old man or woman; the elderly; one's aged parents or grandparents

always

(coll.) wife

honest; sincere; well-behaved; naive; gullible

ancient; old; age-old

elder brother (often used self-referentially); (form of address between male friends) old chap; buddy