being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
of or intended for or involved in military operations
pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
incidental activity performed by an actor for dramatic effect; "his business with the cane was hilarious"
the volume of commercial activity; "business is good today"; "show me where the business was today"
a rightful concern or responsibility; "it's none of your business"; "mind your own business"
an immediate objective; "gossip was the main business of the evening"
business concerns collectively; "Government and business could not agree"
a commercial or industrial enterprise and the people who constitute it; "he bought his brother's business"; "a small mom-and-pop business"; "a racially integrated business concern"
(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments"