Definition

1. Adverb:
   • Certainly, undoubtedly: Used to emphasize that something is definitely true or will definitely happen.
   • Admittedly, it must be conceded: Used to introduce a statement that confirms or acknowledges a fact, often before adding a contrasting point.

Usage Examples

• Adverb (Certainly):

  • She is, without doubt, the best candidate for the job.
  • This is without doubt the finest restaurant in the city.

• Adverb (Admittedly):

  • Without doubt, the task is difficult, but we must try.
  • He is, without doubt, a hard worker, though he sometimes lacks creativity.

Advanced Usage

• "without a shadow of a doubt": An emphatic variant meaning with absolute certainty.

  • I can say without a shadow of a doubt that she is innocent.

• Used to introduce a concessive clause, confirming one point to strengthen a following argument.

  • Without doubt, the initial cost is high; however, the long-term savings are significant.

Variants and Related Words

• Undoubtedly (adv): Without doubt; certainly.
  • She is undoubtedly talented.
• Indisputably (adv): In a way that cannot be challenged or denied.
  • This is indisputably the correct answer.
• Unquestionably (adv): Not open to question; beyond doubt.
  • He is unquestionably the leader.

Synonyms

• Certainly
• Definitely
• Unquestionably
• Indisputably
• Undeniably

Related Phrases

• Beyond (a) doubt: To a degree that eliminates any uncertainty.
  • His guilt was proved beyond doubt.
• No doubt: Very probably; admittedly. (Note: "No doubt" can sometimes imply less certainty than "without doubt").
  • No doubt you are tired after your long journey.

Notes on Usage

• "Without doubt" functions as a sentence adverb, often set off by commas for emphasis.
• It is used in both formal and informal contexts to express strong conviction or to make a concession.
• The phrase is typically not split; it is used as a complete unit ("without doubt," not "without any doubt" in this specific phrasal form, though "without a doubt" is also common).

Adverb

1. admittedly
   • to be sure, he is no Einstein