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WordReference Random House Learner's Dictionary of American English © 2024pre•ven•tive /prɪˈvɛntɪv/USA pronunciation also pre•vent•a•tive /prɪˈvɛntətɪv/USA pronunciation adj. - of or relating to prevention:preventive measures; preventive medicine.
n. [countable] - Medicinea drug or other substance for preventing disease.
- a person or thing that prevents something.
See -ven-. WordReference Random House Unabridged Dictionary of American English © 2024pre•ven•tive (pri ven′tiv),USA pronunciation adj. - Medicineof or noting a drug, vaccine, etc., for preventing disease; prophylactic.
- serving to prevent or hinder:preventive measures.
n. - Medicinea drug or other substance for preventing disease.
- a preventive agent or measure.
Also, pre•vent•a•tive (pri ven′tə tiv)USA pronunciation (for defs. 2, 4). pre•ven′tive•ly, adv. pre•ven′tive•ness, n. Collins Concise English Dictionary © HarperCollins Publishers:: preventive /prɪˈvɛntɪv/ adj - tending or intended to prevent or hinder
- tending to prevent disease; prophylactic
- (in Britain) of, relating to, or belonging to the customs and excise service or the coastguard
n - something that serves to prevent or hinder
- any drug or agent that tends to prevent or protect against disease
- another name for contraceptive
Also (except for sense 3): preventative /prɪˈvɛntətɪv/ preˈventively adv |