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toughness
toughness
synonyms
strength
robustness
stamina
vigor
fortitude
sturdiness
hardiness
grit
backbone
guts
determination
spirit
ruggedness
pluck
spunk
resilience
muscularity
endurance
durability
tenacity
energy
virility
mettle
moxie
huskiness
nerve
might
staying power
power
firmness
hardihood
steadfastness
forcefulness
hardness
muscle
gumption
soundness
force
resistance
perseverance
resolution
brawniness
manliness
gameness
vim
brawn
zip
vitality
valor
harshness
more synonyms
toughness
antonyms
weakness
cowardice
fragility
puniness
femininity
lethargy
softness
frailty
wavering
unfitness
unsteadiness
vulnerability
variability
compassion
timidity
listlessness
juiciness
tiredness
succulence
laziness
kindness
inactivity
spinelessness
ineptness
intolerance
powerlessness
feebleness
tenderness
lack
laxness
leniency
mildness
instability
idleness
rigidity
insecurity