safety Definition

safety
noun

1. The quality or condition of being safe.

Thesaurus: security, surety, reliability, immunity, assurance; deliverance, sanctuary, refuge, shelter; Antonym: danger, jeopardy.
2. Amer football.
The most deeply-placed member of the defensive side.
Form: safetyman

Idiom: there is safety in numbers

It is easier and safer to do something risky when there is a larger group of people.

Etymology: 13c: from French sauveté, from Latin salvus safe.