1.free from fear or doubt; easy in mind;
secure himself, he went out of his way to help others
2.free from danger or risk;
secure from harm
3.kept safe or defended from danger or injury or loss;
the most protected spot I could find
4.not likely to fail or give way;
the lock was secure
5.able to withstand attack;
an impregnable fortress
6.financially sound;
a good investment
1.get by special effort;
He procured extra cigarettes even though they were rationed
2.cause to be firmly attached;
fasten the lock onto the door
3.assure payment of
4.make certain of;
This nest egg will ensure a nice retirement for us
5.fill or close tightly with or as if with a plug;
plug the hole
6.furnish with battens;
batten ships