arduous
straining
strenuous
enduring
accommodateness
superendurance
someone's arse off
fitrep
demanding
Trojan
mettle
exercisable
tolerant
patient of
musculoenergetic
strain
gymnastic exercise
strive
reach
gymnastics
go-ahead
patient
powerbuilding
worn-out
worn out
pound out
vigorous
jog
throughgoing
downclimb
intend
remember
stamina
hop
body pump
staying power
toughness
gymnastic
run-up
speedwork
physical exertion
fitnessy
outpress
workout
hyperenergetic
exercising
discipline
exercise
ultraenergetic
physical exercise
sinewy
athletic
work out
frantic
in shape
rugged
train
tough
keep fit
kinetic energy
prancercise
anaemic
ekker
bear down
evaluative
ultramarathonist
anemic
outmuscle
farmer's walk
energetically
plank
appraising
spry
effort
exercisability
travail
weak
sweat
exertion
strength training
elbow grease
tune-up
contouring
virile
continuant
Duracell bunny
osmorecovery
testingly
fast and furious
active
Energizer bunny
hyper
well-built
fatigue
arduous
straining
strenuous
demanding
Trojan
exercisable
tolerant
patient of
musculoenergetic
go-ahead
patient
worn-out
worn out
vigorous
throughgoing
gymnastic
fitnessy
hyperenergetic
ultraenergetic
sinewy
athletic
frantic
rugged
tough
anaemic
evaluative
anemic
appraising
spry
weak
virile
fast and furious
active
hyper
well-built
someone's arse off
energetically
testingly
enduring
accommodateness
superendurance
fitrep
mettle
gymnastic exercise
gymnastics
powerbuilding
stamina
body pump
staying power
toughness
run-up
speedwork
physical exertion
workout
exercising
discipline
exercise
physical exercise
kinetic energy
prancercise
ekker
ultramarathonist
farmer's walk
plank
effort
exercisability
travail
sweat
exertion
strength training
elbow grease
tune-up
contouring
keep fit
continuant
Duracell bunny
osmorecovery
Energizer bunny
fatigue
jog
strain
strive
reach
pound out
jog
downclimb
intend
remember
hop
outpress
exercise
work out
train
keep fit
bear down
outmuscle
English words for 'Needing or using up much energy; testing powers of endurance.'
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