1.Definition: a principle that limits the extent of something

"I am willing to accept certain restrictions on my movements"

Related Noun(s):limitation

Category: General

2.Definition: an act of limiting or restricting (as by regulation)

Related Noun(s):limitation

Category: General

3.Definition: the act of keeping something within specified bounds (by force if necessary)

"The restriction of the infection to a focal area"

Related Noun(s):confinement

Category: General