That-Which | Commonly Confused Words
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Master confusing words with ease

That vs. Which

That

/ðæt/
Used to refer to a specific thing or person already mentioned or known

Examples:

That night Holmes and I took a train to Norbury.'Read it to me, that's the best way.She knew now that he meant to speak.

Synonyms:

Antonyms:

Which

/wɪtʃ/
Used to refer to a specific thing or person from a group; often introduces a clause

Examples:

With which laconic remark Newman turned round and hobbled away.Victoria recovered quickly, which was not easy.You'd give us the Market, which you did.

Synonyms:

Antonyms:

This word has no antonyms

Ways to tell them apart:

etymology
  • Which often introduces non-essential information, while that introduces essential information.
  • If you can remove the clause and the sentence still makes sense, use which.
  • Use that if the clause is necessary to the meaning of the sentence.
  • Think of that as a tighter restriction and which as more of an optional add-on.
  • Which is usually preceded by a comma, while that is not.
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