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Synonyms

assuredly

American  
[uh-shoor-id-lee, uh-shur-] / əˈʃʊər ɪd li, əˈʃɜr- /

adverb

  1. definitely or certainly.

    We will try to address some of the most egregious problems, but will assuredly miss some.

  2. in a bold, confident, or authoritative manner.

    He very assuredly tells people that he expects to be reelected because of the great job he’s doing.


Other Word Forms

Etymology

Origin of assuredly

assured ( def. ) + -ly

Explanation

Use the adverb assuredly when you're positive something is true. If last year was difficult, you might believe the next year will assuredly be much better. This word is frequently used as a sentence adverb, to emphasize how absolutely certain you are. "Assuredly, we will have a lot of trick-or-treaters on Halloween," you might say as you buy 15 bags of candy. You can also use it to mean "confidently," like when your unflappable cousin steps assuredly onto the stage to deliver a graduation speech to an audience of hundreds.

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Vocabulary lists containing assuredly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This is assuredly a consequence of bad luck rather than a measurement of merit.

From The Wall Street Journal Aug. 18, 2026

The truth almost assuredly lies in the middle.

From Barron's Jun. 8, 2026

Most assuredly, though, this is a duo of director and star once more moving in concert together, maybe not as confidently as with some previous efforts, but with a knowing intelligence.

From Los Angeles Times Dec. 13, 2025

George Ford, who steered the team so assuredly in the summer, is left out.

From BBC Nov. 8, 2025

How could the American “I,” assuredly wearing a hat like the Chinese, have only three strokes, the middle so straight?

From "The Woman Warrior" by Maxine Hong Kingston

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