Busiest

Synonyms for busy
adj engaged, at work

active
unavailable
working
occupied
engaged
engrossed
persevering
buried
employed

hustling
assiduous
diligent
industrious
on duty
swamped
overloaded
snowed
slaving

already taken
at it
having a full plate
having fish to fry
having many irons in the fire
in a meeting
in conference
in the field
in the laboratory

on assignment
on the go
tied up
with a customer
having enough on one’s plate
in someone else’s possession
up to one’s ears

Antonyms for busiest

idle
inactive
unemployed

lazy
unoccupied
quiet

unengaged
unbusy

Synonyms
adj active, on the go

full
lively
hectic
restless

humming
hustling
tiring
energetic

fussy
strenuous
tireless
bustling

popping
busy as a beaver

Antonyms

idle
unemployed
inactive

lazy
quiet
unengaged

unbusy

Synonyms
adj nosy, impertinent

curious
forward
interfering
meddling

stirring
prying
inquisitive
intrusive

meddlesome
obtrusive
officious
pushy

troublesome
snoopy
butting in
nebby

Antonyms

idle
unemployed
inactive

lazy
quiet
unengaged

unbusy