Free from care or fear; careless; dreading no evil; unsuspecting; hence, over-confident.Free from apprehension or doubt; assured; certain; confident; sure: with of or an infinitive.Free from danger; unexposed to danger; safe: frequently with against or from, and formerly of: as, secure against the attacks of the enemy.In safe custody or keeping.Of such firmness, stability, or strength as to insure safety, or preclude risk of failure or accident; stanch, firm, or stable, and fit for the purpose intended: as, to make a bridge secure; a secure foundation.= Syn.3. See safe.l. To make easy or careless; free from care, anxiety, or fear.To make safe or secure; guard from danger; protect: as, a city secured by fortifications.To make certain; assure; guarantee: sometimes with of: as, we were secured of his protection.To make sure of payment, as by a bond, surety, etc.; warrant or guarantee against loss: as, to secure a debt by mortgage; to secure a creditor.To make fast or firm: as, to secure a window; to secure the hatches of a ship.To seize and confine; place in safe custody or keeping: as, to secure a prisoner.In surgery, to seize and occlude by ligature or otherwise, as a vein or an artery, to prevent loss of blood during or as a consequence of an operation.To get hold or possession of; make one's self master of; obtain; gain: as, to secure an estate for a small sum; to secure the attention of an audience; to secure a hearing at court.To plight: pledge; assure