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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.

Authorities promise sweeping economic transformation at the entrance to one of the world's busiest waterways -- the Strait of Malacca, through which up to 30 percent of global trade passes.

From Barron's • May 18, 2026

Meanwhile, Sheremetyevo - Russia's busiest airport that serves Moscow - reported drone wreckage on its territory.

From BBC • May 17, 2026

Just four miles away, in central Beirut, another neighbourhood was also struck -Corniche al Mazraa, one of the city's busiest areas.

From BBC • May 5, 2026

SpaceX was responsible for most of the 71 rockets launched last year from Vandenberg, one of the world’s busiest spaceports.

From Los Angeles Times • May 2, 2026

Even when he was busiest smoothing down the paste on the wallpaper, or painting the outside of other people’s houses, he would forget what he was doing.

From "Mr. Popper's Penguins" by Florence Atwater and Richard Atwater