securely

Definitions

In a manner that is fixed or fastened firmly so as not to give way, become loose, or be lost.

In a way that is protected against attack, harm, or unauthorized access.

Examples

Please make sure to fasten your seatbelt securely before the plane takes off.

The confidential documents were stored securely in a locked filing cabinet.

Synonyms

firmly tightly safely stably fixedly dependably soundly

Antonyms

loosely precariously unsteadily dangerously weakly unreliably shakily