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Synonyms

regrettably

American  
[ri-gret-uh-blee] / rɪˈgrɛt ə bli /

adverb

  1. unfortunately.

    Regrettably, those countries that have contributed the least to the problem are facing the gravest consequences.

    The student’s regrettably short attention span resulted in a series of near failures.


Usage

What does regrettably mean? Regrettably means in a manner of regret or disappointment, as in Regrettably, I won’t be able to go to your birthday celebration. Regrettably is most often used at the beginning of a sentence to describe how the speaker or writer feels about what follows in the rest of the sentence. Example: I have regrettably made a choice that has ruined my evening plans.

Other Word Forms

Derived Forms

Etymology

Origin of regrettably

regrettab(le) ( def. ) + -ly

Explanation

The sentence adverb regrettably is good for expressing regret, or sorrow, about an unfortunate event. If you forgot that today, May 5th, is your brother's birthday, you might say, "Regrettably, I thought today was the fourth." Regrettably is often used at the beginning of a sentence that tells something you wish you had done — or hadn't. You can also use it in the middle of a thought to signify sadness, apology, or regret, like when you're lost in the woods with a guide who's regrettably choosing one wrong path after another. Regrettably also describes things that are disappointing, like your regrettably brief career as a fire juggler.

Keep Reading on Vocabulary.com

Vocabulary lists containing regrettably

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.

Regrettably, as things stand, we are not in a position to employ newly qualified paramedics this year.

From BBC • Apr. 1, 2026

"Regrettably, St Mary's School proceeded to reopen and resume academic activities without notifying or seeking clearance from the state government, thereby exposing pupils and the staff to avoidable risk," they said in a statement.

From BBC • Nov. 21, 2025

Regrettably, nowhere in the two explanations were the words, “I just blew it.”

From Los Angeles Times • Sep. 14, 2025

Regrettably, Loomer also disapproves of Means’ selection as surgeon general, in part due to her history of talking to trees.

From Slate • May 10, 2025

Regrettably, the giant still had his smug smile.

From "Blood of Olympus" by Rick Riordan

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