certainly

[sur-tn-lee]

adverb

1. with certainty; without doubt; assuredly.

   I'll certainly be there.

2. yes, of course.

   Certainly, take the keys.

3. to be sure; surely.

   He certainly is successful.

certainly

/ ˈsɜːtənlɪ /

adverb

1. with certainty; without doubt

   he certainly rides very well

1. by all means; definitely: used in answer to questions

Word History and Origins

Origin of certainly¹

First recorded in 1250–1300; Middle English; certain + -ly

Example Sentences

He added Ms Liddle "almost certainly" saved the life of a child she barricaded herself into the toilets with.

From BBC

But it is certainly frustrating for a government which had hoped that the removal flights to France under the 'one in, one out' scheme would begin this week.

From BBC

Having the vice president declare that a condition of your employment should be feigning grief might skirt being an outright violation of the First Amendment, but it’s certainly a chilling violation of its basic spirit.

From Salon

"The president's policies are certainly causing the economic activity that is forcing the hand of the Fed," said Art Hogan, chief market strategist at B. Riley Wealth.

From BBC

The band is certainly not alone in that assessment.

From Los Angeles Times

Related Words

• absolutely 
• assuredly 
• exactly 
• surely