Read the dictionary definition of proper. All definitions for this word.
1. appropriate for a condition or purpose or occasion or a person's character, needs
1. everything in its proper place
2. the right man for the job
3. she is not suitable for the position
2. limited to the thing specified
1. the city proper
2. his claim is connected with the deed proper
3. marked by suitability or rightness or appropriateness
1. proper medical treatment
2. proper manners
4. having all the qualities typical of the thing specified
1. wanted a proper dinner, not just a snack
2. he finally has a proper job