engage or engross the interest or attention of beforehand or occupy urgently or obsessively; "His work preoccupies him"; "The matter preoccupies her completely--she cannot think of anything else"
occupy or take possession of beforehand or before another or appropriate for use in advance; "the army preoccupied the hills"
prevent from doing something or being in a certain state; "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"
put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land"
(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
not tractable; difficult to manage or mold; "an intractable disposition"; "intractable pain"; "the most intractable issue of our era"; "intractable metal"
a methodical examination or review of a condition or situation; "he made an audit of all the plants on his property"; "an energy efficiency audit"; "an email log audit"
attend academic courses without getting credit
examine carefully for accuracy with the intent of verification; "audit accounts and tax returns"
a public instance of reciting or repeating (from memory) something prepared in advance; "the program included songs and recitations of well-loved poems"