security
securitynoun
UK/sɪˈkjʊərəti/US/səˈkjʊrəti/
PROTECTION
B1the things that are done to keep people and places safe
- Security at the airport is very tight.
- He works in security.
FEELING SAFE
B2a feeling of being safe and not worried
- Children need a sense of security.
- Many workers worry about job security.