safeguard UK /ˈseɪfɡɑːd/US /ˈseɪfɡɑɹd/noun 4verb 3forms 3 noun4 •Something that serves as a guard or protection; a defense.Getting a flu shot is a good safeguard against illness. •One who, or that which, defends or protects; defence; protection.Thy sword, the safeguard of thy brother's throne. — 1726 •A safe-conduct or passport, especially in time of war. •(no longer used) The monitor lizard.The same idea is entertained of the Safeguard in America, as of the Monitor in Africa, and other parts of the Old World, […] — 1844 verb3 •To protect, to keep safe.She kept a savings to safeguard against debt and emergencies. •(UK, Ireland) To implement safeguarding. •To escort safely. formssafeguarded · safeguarding · safeguards