|1.||Belonging to one; one's own; individual.|
|2.||Belonging to the natural or essential constitution; peculiar; not common; particular; as, every animal has his proper instincts and appetites.|
|3.||Befitting one's nature, qualities, etc.; suitable in all respect; appropriate; right; fit; decent; as, water is the proper element for fish; a proper dress.|
|4.||Becoming in appearance; well formed; handsome.|
|5.||Pertaining to one of a species, but not common to the whole; not appellative; - opposed to |
|6.||Rightly so called; strictly considered; as, Greece proper; the garden proper.|
|7.||(Her.) Represented in its natural color; - said of any object used as a charge.|
|adv.||1.||Properly; hence, to a great degree; very; as, proper good.|
|Adj.||1.||proper - marked by suitability or rightness or appropriateness; "proper medical treatment"; "proper manners"|
improper - not suitable or right or appropriate; "slightly improper to dine alone with a married man"; "improper medication"
|2.||proper - limited to the thing specified; "the city proper"; "his claim is connected with the deed proper"|
|3.||proper - appropriate for a condition or occasion; "everything in its proper place"; "the right man for the job"; "she is not suitable for the position"|
|4.||proper - having all the qualities typical of the thing specified; "wanted a proper dinner; not just a snack"; "he finally has a proper job"|
PROPER. That which is essential, suitable, adapted, and correct.
2. Congress is authorized by art, 1, s. 8, of the constitution of the United States, "to make all laws which shall be necessary and proper, for carrying into execution the foregoing powers, and all other powers vested by this constitution of the United States, in any department. or officer thereof." See Necessary and Proper.