adj
precautionary
adj
1
Done as a precaution, to prevent a possible problem.
"The school closed early as a precautionary measure due to the storm."
How to Use Precautionary
Learner’s notesIn plain EnglishDescribes an action taken just in case, to head off a possible problem.
Common pairings
precautionary measure
precautionary step
Word Forms
more precautionary comparative, precautionaries plural, most precautionary superlative
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The school closed early as a _____ measure due to the storm.
Etymology
From "precaution" plus the adjective suffix "-ary."