<p><strong>Adjective</strong></p><ul><li>Arranged or disposed in a neat, tidy manner or in a regular sequence: an orderly desk.</li><li>Antonyms: haphazard, disorderly, chaotic.</li><li>Observant of or governed by system or method, as persons or the mind.</li><li>Characterized by or observant of law, rule, or discipline; well-behaved; law-abiding: an orderly assemblage of citizens.</li><li>Pertaining to or charged with the communication or execution of orders.</li></ul><p><strong>Adverb</strong></p><ul><li>Methodically; regularly.</li><li>According to established order or rule.</li></ul><p><strong>Noun</strong></p><ul><li>Orderlies: Military. An enlisted soldier assigned to perform various chores for a commanding officer or group of officers.</li><li>A hospital attendant having general, nonmedical duties.</li></ul>