(organic chemistry) Any chemical entity that is temporarily reacted with a functional group so as to protect it from a subsequent reaction

(computing) An operational mode of x86-compatible CPUs, in which software can use features such as virtual memory, paging, and safe multitasking.

Safe sex.

A title or job description that can only legally be used by persons who have completed a specific training course and/or are members of a particular trade association.

Equipped with a copy protection mechanism.

plural of protecting group

(derogatory) A tendency to protect people from perceived injury (such as criticism) by responding with hostility to whomever is held responsible for causing said injury.

(law enforcement) Lawful confinement of a person or close supervision of his or her movements, on a voluntary or involuntary basis, by authorities in order to safeguard that person from attack or other dangers.

Alternative form of semiprotected

(euphemistic, politics) An antisocialist government that allows suffrage but places sovereignty in the army.