of, relating to, or characterized by precaution: precautionary measures.
expressing or advising precaution: precautionary warnings against possible tornadoes.

Sometimes pre·cau·tion·al [pri-kaw-shuh-nl] /prɪˈkɔ ʃə nl/.

Origin of precautionary

First recorded in 1740–50; precaution + -ary Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for precautionary

alert, careful, discreet

Examples from the Web for precautionary

Contemporary Examples of precautionary

Historical Examples of precautionary

  • Over his shoulder he shot a final look at once precautionary and triumphant.

    The Long Roll

    Mary Johnston

  • Precautionary measures to be adopted against the influx of Chinese.

  • We held a consultation, and decided to omit no precautionary measures.

    The Cryptogram

    William Murray Graydon

  • With these precautionary hints in mind, we will now proceed to dissect a bird.

    Practical Taxidermy

    Montagu Browne

  • They were told it was only as a precautionary measure in case of an action.

Word Origin and History for precautionary

1720, from precaution + -ary.

Online Etymology Dictionary, © 2010 Douglas Harper