Noun

• S: (n) preventive, preventative, prophylactic (remedy that prevents or slows the course of an illness or disease) "the doctor recommended several preventatives"
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) hindrance, hinderance, hitch, preventive, preventative, encumbrance, incumbrance, interference (any obstruction that impedes or is burdensome)
• S: (n) contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device (an agent or device intended to prevent conception)

Adjective

• S: (adj) preventive, preventative, prophylactic (preventing or contributing to the prevention of disease) "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug"
• S: (adj) preventive, preventative (tending to prevent or hinder)
• see also
• similar to
• S: (adj) blockading (blocking entrance to and exit from seaports and harbors) "the blockading ships prevented delivery of munitions"
• S: (adj) clogging, hindering, impeding, obstructive (preventing movement) "the clogging crowds of revelers overflowing into the street"
• S: (adj) deterrent (tending to deter) "the deterrent effects of high prices"
• S: (adj) frustrating, frustrative, thwarting (preventing realization or attainment of a desire)
• S: (adj) precautionary, precautional (taken in advance to protect against possible danger or failure) "gave precautionary advice"; "I would take precautionary steps to keep him away"
• S: (adj) preclusive, obviating (made impossible)
• S: (adj) preemptive, pre-emptive (designed or having the power to deter or prevent an anticipated situation or occurrence) "a preemptive business offer"
• S: (adj) prohibitive, prohibitory (tending to discourage (especially of prices)) "the price was prohibitive"
• antonym
• derivationally related form