Spoken Vocab

without a shadow of a doubt

Meaning(s)

1. beyond doubt or question, known to be true

Popularity

High

Professional

High

Social

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I know/I believe...without a shadow of a doubt

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If you say that something is without a shadow of a doubt you mean that there is no doubt and that you are completely sure or certain of something. You can also say 'beyond a shadow of a doubt'. Similar in meaning to 'no doubt at all'. This is an informal phrase that you will find in social and professional contexts.

Check Icon Social Examples (Advance)

  1. I saw it happening, so I know without a shadow of a doubt who did it!
  2. I believe without a shadow of a doubt that I'm right. You can't change my mind.

Check Icon Professional Examples (Basic)

  1. This product will be a big seller over the summer period, without a shadow of a doubt.
  2. Fiona is without a shadow of a doubt the best person to help you with that.

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