precautionary
adjective
- actions are taken in order to prevent something dangerous or unpleasant from happening.
- expressing or advising precaution.
Wiktionary
adj
Etymology: Etymology tree English precaution Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English precautionary From precaution + -ary.
- Of, pertaining to, or serving as a precaution.
“The port cities were quarantined as a precautionary measure, though no cases of the disease had been found.”
“Fearing attack on the northern ports by the English, he even took precautionary measures by strengthening the defense of Shan-hai-kuan 山海關 and Ch‘in-huang-tao 秦皇島.”
noun
Etymology: Etymology tree English precaution Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English precautionary From precaution + -ary.
- A precaution.
“Thou seest, Belford, by the above precautionaries, that I forget nothing.”