Definition of "within" []

• In or into the inner part; inside. (adverb)
• Inside the mind, heart, or soul; inwardly. (adverb)
• In the inner part or parts of; inside: resentment seething within him. (preposition)
• Inside the limits or extent of in time or distance: arrived within two days; stayed within earshot; within ten miles of home. (preposition)
• Inside the fixed limits of; not beyond: lived within her income. (preposition)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Cargill is within a certain distance -- and it is up to you to be _within_ that distance -- it will find him, and kill him."
• "General Leman himself was within that work, the batteries against which were now operating from _within_ the ring -- that is, from the city itself, or in what soldiers technically call "reverse" -- that is, from the side upon which no fort is expected to stand, the side which is expected to defend and not to be attacked from."
• "And for this reason -- that though Nature lays down the great constitutional laws within which man, her completest representative, must work; and though Nature as a whole formulates the main outlines of her ideal; yet man _within that constitution_ can make his own laws, and within its main outlines may refine and perfect the ideal."