prae-caveō cāvī, cautus, ēre, to take care, take heed, use precaution, be on one's guard, beware: mihi, to look out for myself, T.: ad praecavendum intellegendi astutia: ab insidiis, guard against, L.: vel ex supervacuo, to take even unnecessary precautions, L.: id ne accideret, sibi praecavendum existimabat, Cs.: cum videtur praecaveri potuisse, si provisum esset.

—To guard against, seek to avert, provide against: peccata, quae difficillime praecaventur: ita mihi res tota praecauta est, ut, etc.