Comply/kəmˈplaɪ/ Definition 1 of 3Pro Tip 1/3Mandatory Action Using 'comply' usually means there's no choice but to follow the instruction. Employees must comply with the safety protocols. Pro Tip 2/3Authority Present There is often an authority figure or rule set mandating compliance. The court ordered him to comply with the subpoena. Pro Tip 3/3Consequence of Non-compliance Ignoring compliance can lead to penalties or other negative outcomes. If you do not comply with the terms, your contract will be terminated.