To comply with or follow the commands, restrictions, wishes, or instructions of someone or something. The soldiers were trained to obey their commanding officer without question.
To behave in accordance with a rule, law, or instruction. Drivers must obey the speed limit to ensure safety on the roads.
To be obedient or compliant; to conform to instructions or rules, especially when the agent is implied rather than explicit. The dog usually obeys without needing to be told twice.