- business [biz′nis]n.[ME bisinesse < OE bisignes: see BUSY & -NESS]1. one's work, occupation, or profession2. a special task, duty, or function3. rightful concern or responsibility [no one's business but his own]4. a matter, affair, activity, etc. [the business of packing for a trip]5. the buying and selling of commodities and services; commerce; trade6. a commercial or industrial establishment; store, factory, etc.7. the trade or patronage of customers8. commercial practice or policy9. a bit of action in a drama, as pouring a drink, intended to establish character, take up a pause in dialogue, etc.adj.1. of or for business2. Bridge designating a double intended to penalize one's opponents: cf. TAKEOUT (adj. 2)——————do business with1. to engage in commerce with2. to have dealings with——————do its business or do one's businessSlang to defecate——————☆ give the business or get the businessSlang to subject (or be subjected) to rough treatment, practical joking, etc.——————mean businessInformal to be in earnestSYN.- BUSINESS, in this comparison, refers generally to the buying and selling of commodities and services and connotes a profit motive; COMMERCE and TRADE both refer to the distribution or exchange of commodities, esp. as this involves their transportation, but COMMERCE generally implies such activity on a large scale between cities, countries, etc.; INDUSTRY refers chiefly to the large-scale manufacture of commodities
English World dictionary. V. Neufeldt. 2014.