Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Precautionary \Pre*cau"tion*a*ry\, a. Of or pertaining to precaution, or precautions; as, precautionary signals.
Douglas Harper's Etymology Dictionary
1720, from precaution + -ary.
Wiktionary
a. Of, pertaining to, or serving as a precaution n. (context obsolete English) A precaution.
WordNet
adj. taken in advance to protect against possible danger or failure; "gave precautionary advice"; "I would take precautionary steps to keep him away" [syn: precautional]
Usage examples of "precautionary".
Prime Minister thought that as a precautionary measure the Admiralty should assemble a large number of small vessels in readiness to proceed to ports and inlets on the French coast.
It was a precautionary tactic, but I have to say, it was a compliment to think anyone in the Guard imagined me a threat.
The Space Precautionary Act had never been heard of, and the Company was responsible only for wages, if and when.
Under the Revised Space Precautionary Act, passenger ships were required to be built for human control throughout on the theory that no automatic safety device could replace human judgment in an emergency.
Miss Magic and took a precautionary look out the backdoor as she always did since that awful night when that horrible shadow person with the knife had tried to break in.
Jardine made no attempt to disguise the truth that opium was the staple of his trade, or that his precautionary measures were designed to temporarily allay the fears of the Chinese officials.
It was a precautionary measure rather than an admission of defeat, but with the hostile atmosphere that pervaded, the British were determined not to let any more of their goods fall into Chinese hands.
I did not look forward to the encounter with anything but apprehension, and as a precautionary measure I fed beforehand.
It had been assigned by the military years ago, as part of their precautionary routine, and had probably never been used before today.
As he was leaving to attend to his part of the play, a precautionary idea flashed upon Maggie.
Damon insisted that she should spend a precautionary day in bed each time, and he had been prepared to clear her channels again if needed, they remained clear.
Not excitement, she told herself severely, merely a precautionary bracing against his dislike of her.
As a precautionary measure, they had extinguished all of the torches down below.
Heindral by this action from outside, the leader of the Castellans demonstrated a little redeeming wisdom by declining to issue an order for the precautionary levying of the militia, on the grounds that it would be both provocative and ineffective.
After visiting all the posts, and adopting every precautionary measure, Bonaparte returned to headquarters.