"he was secure that nothing will be held against him"
"secure from harm"
"his fortune was secure"
"made a secure place for himself in his field"
"the lock was secure"
"a secure foundation"
"a secure hold on her wrist"
"an impregnable fortress"
"fortifications that made the frontier inviolable"
"a secure telephone connection"
"a good investment"
"a secure investment"
"He procured extra cigarettes even though they were rationed"
"fasten the lock onto the door"
"she fixed her gaze on the man"
"This nest egg will ensure a nice retirement for us"
"Preparation will guarantee success!"
"plug the hole"
"stop up the leak"
"batten ships"