Definition of preventative in English:

preventative

Pronunciation /prəˈven(t)ədiv/ /prəˈvɛn(t)ədɪv/

See synonyms for preventative

adjective

  • Designed to keep something undesirable such as illness, harm, or accidents from occurring; preventive.

    ‘a number of preventative measures are required’
    • ‘preventative medicine’
    inhibitory, preventive, deterrent, pre-emptive, obstructive
    prophylactic, disease-preventing, precautionary, preventive, protective
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noun

  • A medicine or other treatment designed to stop disease or ill health from occurring.

    • ‘there are lots of proposed jet lag remedies and preventatives’
    precautionary measure, deterrent, preventive, preventive measure, protective measure, safeguard, security, protection, defence, hindrance, block, check, impediment, curb, restraint, obstruction
    prophylactic, prophylactic device, prophylactic medicine, preventive, preventive drug
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