© 2026 Sloth Lingo. Learn easy. Lounge wisely.

expeditiousness

Upper-Intermediate (B2)

IPA: /ˌɛkspɪˈdɪʃəsnəs/

KK: /ɛkˈspɛdɪʃəsnəs/

noun
Definition

The quality of being quick and efficient in doing something.


Example

The expeditiousness of the delivery service impressed all the customers.


Conversation
Sloth A
I really appreciate your expeditiousness in getting that report done.
Sloth B
Thanks! I know how important it is to meet deadlines.
Sloth A
Yeah, it makes everything so much easier for the team.
Sloth B
Absolutely! It’s nice to have things moving quickly.

Synonyms & Antonyms
Synonyms
speed
haste
swiftness
Antonyms
slowness
delay
laziness
Root Explanation

Expeditiousness → It is formed from "expeditus" (from Latin, meaning unimpeded or free) and the suffix "-ness" (meaning the state or quality of). The word "expeditiousness" refers to the quality of being quick and efficient in action.

Memory Tip

Think of being 'unimpeded' ('expeditus') to remember that 'expeditiousness' means the quality of being quick and efficient.

Visually Confused Words
repetitiousness
seditiousness
exceptiousness
eximiousness
Is this page helpful?