busiest

ADJECTIVE

engaged, at work

Synonyms

STRONGEST

active unavailable working

STRONG

buried employed engaged engrossed hustling occupied overloaded persevering slaving snowed swamped

WEAK

already taken assiduous at it diligent having a full plate having enough on one's plate having fish to fry having many irons in the fire in a meeting in conference in someone else's possession in the field in the laboratory industrious on assignment on duty on the go tied up up to one's ears with a customer

Antonyms

STRONGEST

idle

STRONG

inactive unoccupied

WEAK

lazy quiet unbusy unemployed unengaged

ADJECTIVE

active, on the go

Synonyms

STRONGEST

bustling full hectic lively restless

STRONG

humming hustling popping tiring

WEAK

busy as a beaver energetic fussy strenuous tireless

Antonyms

WEAK

idle inactive lazy quiet unbusy unemployed unengaged

ADJECTIVE

nosy, impertinent

Synonyms

STRONGEST

curious

STRONG

forward interfering meddling prying stirring

WEAK

butting in inquisitive intrusive meddlesome nebby obtrusive officious pushy snoopy troublesome

Antonyms

WEAK

idle inactive lazy quiet unbusy unemployed unengaged

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.

Activists that specialize in the Asia-Pacific region such as Dalton Investments, Oasis Management, and Strategic Capital were among the busiest players, Lazard’s data showed.

From Barron's • Jul. 1, 2026

It creates uncertainty for businesses that move goods across the world’s busiest export borders.

From The Wall Street Journal • Jul. 1, 2026

The most straightforward explanation for its emergence is that, for big-box retailers, the 4th quarter of the financial year is the biggest and busiest, while summer tends to be quieter.

From Salon • Jun. 30, 2026

In London, the ambulance service faced its busiest day on record this week, with cardiac arrests up nearly a third, and is urging people to drink responsibly and avoid exercise outside.

From BBC • Jun. 26, 2026

Chicago was on the move, becoming biggest at just about everything: world’s biggest lumberyard, world’s busiest grain center, and, when the Union Stock Yard opened in 1865, the world’s biggest stockyard.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield