Undoubtedly or Undoubtably

Learn the correct spelling “Undoubtedly” and why “Undoubtably” is wrong.

Undoubtably

Incorrect spelling - “Undoubtably” is a common but incorrect variation influenced by the adverb ending.

"Undoubtably" is a common misspelling of "Undoubtedly". Always use "Undoubtedly" when referring to the correct word.

Undoubtedly

Correct spelling - The proper way to spell this word.

“Undoubtedly” means without doubt, certainly, or unquestionably.

Definition of Undoubtedly

"Undoubtedly": “Undoubtedly” means without doubt, certainly, or unquestionably.

This word is commonly used in everyday conversation and writing.

Synonyms for Undoubtedly

  • certainly
  • definitely
  • surely

Usage Examples

"Correct:" She is undoubtedly the best candidate.

"Correct:" The success was undoubtedly due to hard work.

"Correct:" He is undoubtedly the leader of the team.

"Correct:" This is undoubtedly the correct approach.

"Incorrect:" She is undoubtably the best candidate.

"Incorrect:" The success was undoubtably due to hard work.

"Incorrect:" He is undoubtably the leader of the team.

"Incorrect:" This is undoubtably the correct approach.

Notes:

  • Always end with –ly, not –ably.
  • Undoubtably is incorrect.
  • Think UND + DOUBT + LY → undoubtedly.

Frequently Asked Questions

Q: Correct spelling?

A: Undoubtedly.

Q: Why not undoubtably?

A: Ending –ably is wrong; use –ly.

Q: Meaning?

A: Without doubt, certainly.

Q: Trick?

A: UND + DOUBT + LY → undoubtedly.

Summary

“Undoubtedly” is correct; “Undoubtably” is wrong.