restriction, limitation -- (a principle that limits the extent of something; "I am willing to accept certain restrictions on my movements")
limitation -- (the quality of being limited or restricted; "it is a good plan but it has serious limitations")
limit, limitation -- (the greatest amount of something that is possible or allowed; "there are limits on the amount you can bet"; "it is growing rapidly with no limitation in sight")
limitation -- ((law) a time period after which suits cannot be brought; "statute of limitations")
limitation, restriction -- (an act of limiting or restricting (as by regulation))