By-Through | Commonly Confused Words
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By vs. Through

By

Used to show the person or thing that does something

Examples:

I have you, that by the collar!For a moment I feared they would pass by.He went down on the floor by her chair.

Synonyms:

Antonyms:

This word has no antonyms

Through

/θruː/
Moving in one end and out of the other side or surface of something

Examples:

He made another search, careful and protracted, through the cabinets.But my greatest fear all through has been Caroline.And after Belknap was through with him, then Mason.

Synonyms:

Antonyms:

This word has no antonyms

Ways to tell them apart:

etymology
  • By often indicates a point of reference, such as a person or thing, whereas through usually suggests motion within a space or period.
  • By is sometimes used to denote someones method or means of doing something; on the other hand, through focuses on the process.
  • When you want to convey something accomplished via a person or means, you may often use by; contrastly, through can describe completing something by moving across an area or time.
  • Think of by when youre relating to proximity, in contrast to through' which often refers to completing or navigating.
  • By frequently accompanies passive constructions signaling the agent, while 'through’ often conveys the path or duration of the action.
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