Definitions:

1. in a confident and unselfconscious manner adverb
   • They act very securely in front of the camera.
2. in a manner free from fear or risk adverb
   • the outcome of expansion in the sixties and seventies will be an academic hierarchy securely supported by scholastic selection
3. in an invulnerable manner adverb
   • the agreed line was to involve at several points the withdrawal of French troops from positions which they had quite securely held

Synonyms:

• firmly