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Definition of "by" [by]

  • Close to; next to: the window by the door. (preposition)
  • With the use or help of; through: We came by the back road. (preposition)
  • Up to and beyond; past: We drove by the house. (preposition)
  • At or to: stopped by the bakery; came by the house. (preposition)
  • In the period of; during: sleeping by day. (preposition)
  • Used to indicate the agent after a passive verb (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.

  • Used to indicate the person responsible for a creative work (preposition)
  • Via; through (preposition)
  • Followed by a gerund to indicate a means used (preposition)
  • Beside; next to; near (preposition)
  • Passing the position of; past (preposition)
  • Not later than; before (preposition)
  • Used to indicate extent, after a comparative (preposition)
  • (esp in oaths) invoking the name of (preposition)
  • Multiplied by (preposition)
  • During the passing of (esp in the phrases by day, by night) (preposition)
  • Placed between measurements of the various dimensions of something (preposition)
  • Near (adverb)
  • Away; aside (adverb)
  • Passing a point near something; past (adverb)
  • Past; over and done with (adverb)
  • Aside; behind one (adverb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "by" in a sentence
  • "As a check, ask yourself, "How would my choice of clothing be perceived by my Heavenly Parents..by my earthly parents...by someone with unchecked lustful thoughts.""
  • "STS-117:¬† Manifesting of FDRD will slip by 2 weeks to 31 March, but the Compatibility and Cargo Integration Reviews will only slip by¬†1 week."
  • "Me: “So the confidence interval for the parametric equation can be found by the log of the hazard ratio plus or minus the Z-score times one divided by…”"