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"rough estimation" vs "roughly estimation"

The correct phrase is 'rough estimation.' 'Rough estimation' is a common collocation used to indicate an approximate or imprecise calculation. 'Roughly estimation' is not a standard collocation in English.

Last Updated: March 29, 2024

rough estimation

This phrase is correct and commonly used in English.

Use 'rough estimation' when you want to refer to an approximate or imprecise calculation.

Examples:

  • Can you give me a rough estimation of the cost?
  • I made a rough estimation of the time it would take to complete the project.
  • The rough estimation of the population was close to the actual number.
  • She provided a rough estimation of the number of attendees.
  • The rough estimation of the distance was surprisingly accurate.

roughly estimation

This phrase is not correct in English.

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