1. Occupation, business, profession, trade refer to the activity to which one regularly devotes oneself, especially one's regular work, or means of getting a living. Occupation is the general word: a pleasant or congenial occupation. Business especially suggests a commercial or mercantile occupation: the printing business. Profession implies an occupation requiring special knowledge and training in some field of science or learning: the profession of teaching. Trade suggests an occupation involving manual training and skill: one of the building trades.

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