(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"
performance given by a traveling company of acrobats clowns and trained animals; "the children always love to go to the circus"
a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment; "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"
a genus of haws comprising the harriers
an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent; "they used the elephants to help put up the circus"
(antiquity) an open-air stadium for chariot races and gladiatorial games
a travelling company of entertainers; including trained animals; "he ran away from home to join the circus"
the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize); "his gambling cost him a fortune"; "there was heavy play at the blackjack table"
an attainment that is successful; "his success in the marathon was unexpected"; "his new play was a great success"
an event that accomplishes its intended purpose; "let's call heads a success and tails a failure"; "the election was a remarkable success for Republicans"
a state of prosperity or fame; "he is enjoying great success"; "he does not consider wealth synonymous with success"
a medium for the expression or achievement of something; "his editorials provided a vehicle for his political views"; "a congregation is a vehicle of group identity"; "the play was just a vehicle to display her talents"
a substance that facilitates the use of a drug or pigment or other material that is mixed with it
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)
something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
the most important or interesting work or activity in a specific area or field; "the action is no longer in technology stocks but in municipal bonds"; "gawkers always try to get as close to the action as possible"
an act by a government body or supranational organization; "recent federal action undermined the segregationist position"; "the United Nations must have the power to propose and organize action without being hobbled by irrelevant issues"; "the Union action of emancipating Southern slaves"
the operating part that transmits power to a mechanism; "the piano had a very stiff action"
the trait of being active and energetic and forceful; "a man of action"
the series of events that form a plot; "his novels always have a lot of action"
the state of being active; "his sphere of activity"; "he is out of action"
institute legal proceedings against; file a suit against; "He was warned that the district attorney would process him"; "She actioned the company for discrimination"