antisniffing adjective2 •Opposing or preventing sniffing.In the summer of 1972, Dr. Charles Edwards, commissioner of the FDA, made it known that his agency was considering making it a requirement that spray cans carry a specific antisniffing warning. — 1973 •Preventing sniffing (interception of network packets)Antisniffing software can be used on a switched network to sense packet sniffers. — 2010
