Comparative form of secure: more secure(adjective)
One who or that which secures.(noun)
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Use "securer" in a sentence
""I'm sure there will be some idiots who will try some things somewhere, but as far as the airline industry's concerned it's securer than most industries," said Sir Richard."
"It was pierced in the brim for a hat - securer, but the elastic was missing."
""Here is the foresight," said he putting his finger upon the little disc and loop of the hat-securer."