Restrictions are limitations or rules that are imposed to limit certain actions or behaviors. Some synonyms for the word "restrictions" include regulations, limitations, prohibitions, constraints, boundaries, guidelines, and conditions. Regulations refer to rules that are designed to govern specific activities. Limitations imply a restriction or a curb that stops the person or thing from going beyond a particular limit. Prohibitions denote forbidding certain actions explicitly. Constraints limit the freedom or action of an individual or a group to prevent unwanted consequences. Boundaries mark a range of permissible behavior or action. Guidelines refer to a set of recommendations to be followed while accomplishing an activity or a process. Conditions imply limitations that are imposed as requirements for a specific purpose.