Alert and Diligent

Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.

Diligent and alert are semantically related. In some cases you can use "Diligent" instead an adjective "Alert".

Nearby Words: alertness, alerted, alerting, alerter

Diligent adjective - Involved in often constant activity.

Alert and diligent are semantically related. Sometimes you can use "Alert" instead an adjective "Diligent".

Nearby Words: diligence, diligently