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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

  • overassuredly adverb
  • unassuredly adverb

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.

Keep Reading on Vocabulary.com

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.

The Trojans will assuredly have to win at least one of those games to maintain their hopes of making the College Football Playoff in Riley’s fifth season.

From Los Angeles Times • Jan. 27, 2026

“He is assuredly a first-rate and widely respected orthopedic surgeon,” Stephen Larson, an attorney for Khounganian, said in a statement.

From Los Angeles Times • Dec. 31, 2025

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

From BBC • Nov. 8, 2025

This would most assuredly get me removed from that party.

From Salon • Aug. 22, 2025

They would assuredly have cut them to pieces if Iris, the rainbow messenger of the gods, gliding down from heaven, had not checked them.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton