Obey an alarm means to respond to an alarm by getting up and taking action. It is important to obey an alarm in order to ensure safety and security. An alarm can be a fire alarm, a burglar alarm, or any other type of alarm that requires immediate attention. The term ARISE, which is a 5 letter word, is related to this concept as it means to get up from a lying or sitting position. Therefore, obeying an alarm means to ARISE and take action.