On the job.
Roget 682:
active,
brisk,
brisk as a lark,
brisk as a bee;
lively,
animated,
vivacious;
alive,
alive and kicking;
frisky,
spirited,
stirring.
nimble,
nimble as a squirrel;
agile;
light-footed,
nimble-footed;
featly†,
tripping.
quick,
prompt,
yare†,
instant,
ready,
alert,
spry,
sharp,
smart;
fast
etc.
(swift)
274;
quick as a lamplighter,
expeditious;
awake,
broad awake;
go-ahead,
live wide-awake [U.S.]
etc.
(intelligent)
498.
forward,
eager,
strenuous,
zealous,
enterprising,
in earnest;
resolute
etc.
604.
industrious,
assiduous,
diligent,
sedulous,
notable,
painstaking;
intent
etc.
(attention)
457;
indefatigable
etc.
(persevering)
604.1;
unwearied;
unsleeping†,
never tired;
plodding,
hard-working
etc.
686;
businesslike,
workaday.
bustling;
restless,
restless as a hyena;
fussy,
fidgety,
pottering;
busy,
busy as hen with one chicken.
working,
at work,
on duty,
in harness;
up in arms;
on one's legs,
at call;
up and doing,
up and stirring.
busy,
occupied;
hard at work,
hard at it;
up to one's ears in,
full of business,
busy as a bee,
busy as a one-armed paperhanger.
meddling
etc.
v.;
meddlesome,
pushing,
officious,
overofficious†,
intrigant†.
astir,
stirring;
agoing†,
afoot;
on foot;
in full swing;
eventful;
on the alert,
etc.
(vigilant)
459.
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Roget 691:
at work,
at the office,
at the shop;
working.
Roget 170:
operative,
efficient,
efficacious,
practical,
effectual.
at work,
on foot;
acting
etc.
(doing)
680;
in operation,
in force,
in action,
in play,
in exercise;
acted upon,
wrought upon.
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