Dictionary.com
Thesaurus.com
Synonyms

expeditiously

American  
[ek-spi-dish-uhs-lee] / ˌɛk spɪˈdɪʃ əs li /

adverb

  1. promptly and quickly.

    Our office will handle all queries and concerns expeditiously and without delay.


Other Word Forms

  • nonexpeditiously adverb
  • unexpeditiously adverb

Etymology

Origin of expeditiously

expeditious ( def. ) + -ly

Explanation

If you do something expeditiously, you do it with speed and great efficiency. You might work expeditiously to finish your chores so you can go out with your friends. The adverb expeditiously can describe something you do quickly and efficiently, but the word has a formal sound to it that makes whatever you’re doing sound fancy. You might do the dishes quickly just to get it over with — but tell your mom you did them expeditiously and she’ll be more impressed. You’ll often hear the word used in formal contexts. A police spokesperson might talk about an investigation that will be handled expeditiously.

Keep Reading on Vocabulary.com

Vocabulary lists containing expeditiously

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.

Senatorial courtesy seemed as though it would glide Mullin along expeditiously.

From Slate • Mar. 21, 2026

A judge ruled last week that the preservation group raised the wrong legal claims against the president, and said that if the group brought a new challenge he would "expeditiously" reconsider.

From BBC • Mar. 5, 2026

“It could be adjudicated expeditiously, or it could be just determining that they also agree that there was no criminal intent in the chair’s testimony at the banking committee that I participated in,” he said.

From MarketWatch • Jan. 30, 2026

Contrary to the fulminations of critics, they have faithfully implemented the law as expeditiously as possible given the Herculean effort involved.

From The Wall Street Journal • Jan. 23, 2026

He offered to see that the communication was expeditiously and properly transmitted.

From My Life in Many States and in Foreign Lands Dictated in My Seventy-Fourth Year by Train, George Francis