- the act of preventing
- a hindrance, obstacle, or impediment
WordReference Random House Learner's Dictionary of American English © 2026
pre•ven•tion /prɪˈvɛnʃən/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- the act of preventing:crime prevention.
pre•ven•tion
(pri ven′shən),USA pronunciation n.
- the act of preventing;
effectual hindrance. - a preventive:This serum is a prevention against disease.
- Late Latin praeventiōn- (stem of praeventiō) a forestalling. See prevent, -ion
- 1520–30
Collins Concise English Dictionary © HarperCollins Publishers::
prevention /prɪˈvɛnʃən/ n