Definition of "Secure" :

verb: make certain of

verb: furnish with battens

verb: cause to be firmly attached

verb: fill or close tightly with or as if with a plug

verb: get by special effort

verb: assure payment of

adjective: free from fear or doubt; easy in mind

"He was secure that nothing will be held against him."

adjective: free from danger or risk

"Secure from harm."

adjective: not likely to fail or give way

"The lock was secure."

adjective: financially safe

"A secure investment."

adjective: immune to attack; incapable of being tampered with

"A secure telephone connection."